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4,600 | NDQ_009014 | biodiversity and extinction | __example of an ecosystem service provided by biodiversity | null | null | Multiple Choice | a. a.biodiversity, b. b.exotic species, c. c.pollination, d. d.extinction, e. e.habitat loss, f. f.mass extinction, g. g.coral reef | c |
4,601 | NDQ_009015 | biodiversity and extinction | Biodiversity refers to | null | null | Multiple Choice | a. variation in living organisms., b. genetic differences among living things., c. the range of communities and ecosystems worldwide., d. all of the above | d |
4,602 | NDQ_009016 | biodiversity and extinction | How many living species have scientists identified? | null | null | Multiple Choice | a. fewer than 1 thousand, b. about 1 million, c. close to 2 million, d. at least 3 million | c |
4,603 | NDQ_009017 | biodiversity and extinction | Which of the following types of ecosystems has the greatest biodiversity? | null | null | Multiple Choice | a. temperate grassland, b. intertidal zone, c. tropical rainforest, d. alpine tundra | c |
4,604 | NDQ_009018 | biodiversity and extinction | Economic benefits of biodiversity include | null | null | Multiple Choice | a. storing genetic variation., b. providing inspiration for technology., c. warning of environmental toxins., d. all of the above | d |
4,605 | NDQ_009019 | biodiversity and extinction | How do microorganisms benefit ecosystems? | null | null | Multiple Choice | a. They fix nitrogen., b. They purify water., c. They return nutrients to soil., d. all of the above | d |
4,606 | NDQ_009020 | biodiversity and extinction | The fifth mass extinction | null | null | Multiple Choice | a. is occurring now., b. wiped out the dinosaurs., c. occurred about 10,000 years ago., d. two of the above | b |
4,607 | NDQ_009021 | biodiversity and extinction | Which of the following is an example of an exotic species in North America? | null | null | Multiple Choice | a. peregrine falcon, b. purple loosestrife, c. bison, d. honey bee | b |
4,608 | NDQ_009366 | mendels discoveries | Which trait(s) did Mendel study in pea plants? | null | null | Multiple Choice | a. pod form, b. pod placement, c. pod color, d. all of the above | d |
4,609 | NDQ_009369 | mendels discoveries | In Mendels first set of experiments, he | null | null | Multiple Choice | a. studied two traits at a time, b. let the P generation self-pollinate, c. experimented with just two generations, d. none of the above | d |
4,610 | NDQ_009370 | mendels discoveries | Mendels law of independent assortment | null | null | Multiple Choice | a. was based on the results of his first set of experiments, b. describes how factors controlling different traits go to gametes independently, c. explains why one form of a trait always disappears in the first generation of offspring, d. none of the above | b |
4,611 | NDQ_009373 | mendels discoveries | All of the traits that Mendel studied in pea plants | null | null | Multiple Choice | a. are easy to observe, b. exist in three different forms, c. are needed for sexual reproduction, d. two of the above | a |
4,612 | NDQ_009375 | mendels discoveries | An example of a recessive trait in pea plants is | null | null | Multiple Choice | a. green seed color, b. violet flower color, c. round seed form, d. two of the above | a |
4,613 | NDQ_009380 | mendels discoveries | ____law describing how factors for different traits combine in gametes | null | null | Multiple Choice | a. a.F1, b. b.law of independent assortment, c. c.F2, d. d.dominant, e. e.P, f. f.law of segregation, g. g.recessive | b |
4,614 | NDQ_009383 | mendels discoveries | ____symbol for the parental generation in genetics experiments | null | null | Multiple Choice | a. a.F1, b. b.law of independent assortment, c. c.F2, d. d.dominant, e. e.P, f. f.law of segregation, g. g.recessive | e |
4,615 | NDQ_009385 | mendels discoveries | ____Mendels term describing a factor that may be hidden in an individual | null | null | Multiple Choice | a. a.F1, b. b.law of independent assortment, c. c.F2, d. d.dominant, e. e.P, f. f.law of segregation, g. g.recessive | g |
4,616 | NDQ_009386 | mendels discoveries | ____law describing how factors for the same trait go to gametes | null | null | Multiple Choice | a. a.F1, b. b.law of independent assortment, c. c.F2, d. d.dominant, e. e.P, f. f.law of segregation, g. g.recessive | f |
4,617 | NDQ_009387 | mendels discoveries | Mendels laws apply only to pea plants. | null | null | Multiple Choice | a. true, b. false | b |
4,618 | NDQ_009388 | mendels discoveries | Mendels work was largely ignored until 1900. | null | null | Multiple Choice | a. true, b. false | a |
4,619 | NDQ_009389 | mendels discoveries | ____symbol for the second offspring generation in genetics experiments | null | null | Multiple Choice | a. a.F1, b. b.law of independent assortment, c. c.F2, d. d.dominant, e. e.P, f. f.law of segregation, g. g.recessive | c |
4,620 | NDQ_009390 | mendels discoveries | Pea plants were a good choice for Mendels research because they grow quickly. | null | null | Multiple Choice | a. true, b. false | a |
4,621 | NDQ_009391 | mendels discoveries | ____symbol for the first offspring generation in genetics experiments | null | null | Multiple Choice | a. a.F1, b. b.law of independent assortment, c. c.F2, d. d.dominant, e. e.P, f. f.law of segregation, g. g.recessive | a |
4,622 | NDQ_009392 | mendels discoveries | ____Mendels term describing a factor that is always expressed in an individual | null | null | Multiple Choice | a. a.F1, b. b.law of independent assortment, c. c.F2, d. d.dominant, e. e.P, f. f.law of segregation, g. g.recessive | d |
4,623 | NDQ_009393 | mendels discoveries | In Mendels second set of experiments, all of the F1 plants had wrinkled, green seeds. | null | null | Multiple Choice | a. true, b. false | b |
4,624 | NDQ_009394 | mendels discoveries | In sexually reproducing plants, female gametes are released by tiny grains of pollen. | null | null | Multiple Choice | a. true, b. false | b |
4,625 | NDQ_009395 | mendels discoveries | __Mendels discoveries made him a well-known scientist in his own lifetime. | null | null | Multiple Choice | a. true, b. false | b |
4,626 | NDQ_009396 | mendels discoveries | __Mendels laws form the basis of the science of genetics. | null | null | Multiple Choice | a. true, b. false | a |
4,627 | NDQ_009397 | mendels discoveries | __In Mendels second set of experiments, the F2 generation always had traits in the ratio 9:3:3:1. | null | null | Multiple Choice | a. true, b. false | a |
4,628 | NDQ_009398 | mendels discoveries | __In Mendels first set of experiments, both forms of a trait always showed up in the F1 plants. | null | null | Multiple Choice | a. true, b. false | b |
4,629 | NDQ_009399 | mendels discoveries | __Mendel chose pea plants to study because they have asexual reproduction. | null | null | Multiple Choice | a. true, b. false | b |
4,630 | NDQ_009400 | mendels discoveries | __Mendel determined that one out of four F2 plants inherits two recessive factors for a given trait. | null | null | Multiple Choice | a. true, b. false | a |
4,631 | NDQ_009401 | mendels discoveries | __If you were to cross a violet-flowered pea plant with a white-flowered pea plant, the first generation | null | null | Multiple Choice | a. true, b. false | b |
4,632 | NDQ_009402 | mendels discoveries | Mendel made his discoveries in the | null | null | Multiple Choice | a. 1600s, b. 1700s, c. 1800s, d. 1900s | c |
4,633 | NDQ_009403 | mendels discoveries | Reasons that pea plants were a good choice for Mendel to study include that | null | null | Multiple Choice | a. they are easy to grow, b. they have just two traits, c. each trait exists in many different forms, d. all of the above | a |
4,634 | NDQ_009404 | mendels discoveries | Mendel arrived at his second law of inheritance when he studied | null | null | Multiple Choice | a. one trait at a time, b. one generation at a time, c. two traits at a time, d. two generations at a time | c |
4,635 | NDQ_009405 | mendels discoveries | Traits Mendel studied in pea plants included | null | null | Multiple Choice | a. flower color, b. stem length, c. seed color, d. all of the above | d |
4,636 | NDQ_009406 | mendels discoveries | An example of a dominant trait in pea plants is | null | null | Multiple Choice | a. white flower color, b. wrinkled seed form, c. round seed form, d. two of the above | c |
4,637 | NDQ_009407 | mendels discoveries | If you cross a purebred pea plant with green seeds and a purebred pea plant with yellow seeds, what percent of their offspring will have green seeds? | null | null | Multiple Choice | a. 100 percent, b. 75 percent, c. 25 percent, d. 0 percent | d |
4,638 | NDQ_009408 | mendels discoveries | Which plants were allowed to self-pollinate in Mendels experiments? | null | null | Multiple Choice | a. P, b. F1, c. F2, d. all of the above | b |
4,639 | NDQ_009409 | introduction to genetics | The traits of an individual make up the individuals | null | null | Multiple Choice | a. genotype, b. phenotype, c. genome, d. DNA | b |
4,640 | NDQ_009410 | introduction to genetics | At a given locus on homologous chromosomes, you would always find the same | null | null | Multiple Choice | a. alleles, b. genes, c. genotypes, d. autosomes | b |
4,641 | NDQ_009411 | introduction to genetics | If B is dominant to b, which genotype expresses the recessive phenotype? | null | null | Multiple Choice | a. BB, b. Bb, c. bb, d. two of the above | c |
4,642 | NDQ_009412 | introduction to genetics | The position of a gene on a chromosome is its | null | null | Multiple Choice | a. autosome, b. genotype, c. allele, d. locus | d |
4,643 | NDQ_009413 | introduction to genetics | Which of the following represents a homozygous genotype? | null | null | Multiple Choice | a. AA, b. Aa, c. aa, d. two of the above | d |
4,644 | NDQ_009414 | introduction to genetics | If two Bb parents have offspring together, what percent of the offspring would you expect to have the same genotype as the parents? | null | null | Multiple Choice | a. 100 percent, b. 75 percent, c. 50 percent, d. 25 percent | c |
4,645 | NDQ_009415 | introduction to genetics | For the parents in question 3, what percent of the offspring would you expect to have the same phenotype as the parents if B is dominant to b? | null | null | Multiple Choice | a. 100 percent, b. 75 percent, c. 50 percent, d. 25 percent | b |
4,646 | NDQ_009416 | introduction to genetics | Which genotype is possible for a person with type O blood? | null | null | Multiple Choice | a. AO, b. BO, c. OO, d. any of the above | c |
4,647 | NDQ_009417 | introduction to genetics | Examples of polygenic traits in human beings include | null | null | Multiple Choice | a. ABO blood type, b. color blindness, c. skin color, d. two of the above | c |
4,648 | NDQ_009418 | introduction to genetics | Red-green color blindness is an example of a(n) | null | null | Multiple Choice | a. sex-linked trait, b. autosomal trait, c. recessive trait, d. two of the above | d |
4,649 | NDQ_009420 | introduction to genetics | The A and B alleles for the ABO blood type trait are | null | null | Multiple Choice | a. both dominant to the O allele, b. codominant with each other, c. both recessive to the O allele, d. two of the above | d |
4,650 | NDQ_009422 | introduction to genetics | If a mother has a single allele for red-green color blindness, she always | null | null | Multiple Choice | a. expresses the color-blindness trait, b. passes the allele to all of her daughters, c. passes the allele to all of her sons, d. two of the above | c |
4,651 | NDQ_009423 | introduction to genetics | ____section of a chromosome that contains the genetic code for a particular protein | null | null | Multiple Choice | a. a.genotype, b. b.homozygote, c. c.allele, d. d.phenotype, e. e.heterozygote, f. f.codominance, g. g.gene | g |
4,652 | NDQ_009426 | introduction to genetics | ____individual with two different alleles for a given gene | null | null | Multiple Choice | a. a.genotype, b. b.homozygote, c. c.allele, d. d.phenotype, e. e.heterozygote, f. f.codominance, g. g.gene | e |
4,653 | NDQ_009428 | introduction to genetics | ____one of two or more versions of the same gene | null | null | Multiple Choice | a. a.genotype, b. b.homozygote, c. c.allele, d. d.phenotype, e. e.heterozygote, f. f.codominance, g. g.gene | c |
4,654 | NDQ_009429 | introduction to genetics | ____expression of an individuals alleles as traits | null | null | Multiple Choice | a. a.genotype, b. b.homozygote, c. c.allele, d. d.phenotype, e. e.heterozygote, f. f.codominance, g. g.gene | d |
4,655 | NDQ_009430 | introduction to genetics | Different genotypes always produce different phenotypes. | null | null | Multiple Choice | a. true, b. false | b |
4,656 | NDQ_009431 | introduction to genetics | All of the traits Mendel studied were polygenic traits. | null | null | Multiple Choice | a. true, b. false | b |
4,657 | NDQ_009432 | introduction to genetics | ____situation in which two alleles for the same gene are expressed equally in heterozygotes | null | null | Multiple Choice | a. a.genotype, b. b.homozygote, c. c.allele, d. d.phenotype, e. e.heterozygote, f. f.codominance, g. g.gene | f |
4,658 | NDQ_009433 | introduction to genetics | A Punnett square shows exactly how many children of each genotype a given set of parents will actually | null | null | Multiple Choice | a. true, b. false | b |
4,659 | NDQ_009434 | introduction to genetics | ____alleles that an individual inherits for a given gene | null | null | Multiple Choice | a. a.genotype, b. b.homozygote, c. c.allele, d. d.phenotype, e. e.heterozygote, f. f.codominance, g. g.gene | a |
4,660 | NDQ_009435 | introduction to genetics | ____individual with two alleles of the same type for a given gene | null | null | Multiple Choice | a. a.genotype, b. b.homozygote, c. c.allele, d. d.phenotype, e. e.heterozygote, f. f.codominance, g. g.gene | b |
4,661 | NDQ_009436 | introduction to genetics | An example of non-Mendelian inheritance is incomplete dominance. | null | null | Multiple Choice | a. true, b. false | a |
4,662 | NDQ_009437 | introduction to genetics | For many traits, your phenotype is influenced by your environment as well as your genotype. | null | null | Multiple Choice | a. true, b. false | a |
4,663 | NDQ_009445 | introduction to genetics | __Mendels laws were rediscovered in 1990. | null | null | Multiple Choice | a. true, b. false | b |
4,664 | NDQ_009446 | introduction to genetics | __Within a species, most variation in traits is due to different alleles. | null | null | Multiple Choice | a. true, b. false | a |
4,665 | NDQ_009447 | introduction to genetics | __If a gene has two alleles, there are two possible genotypes. | null | null | Multiple Choice | a. true, b. false | b |
4,666 | NDQ_009448 | introduction to genetics | __If a parent has the genotype Bb, you would expect all of the parents gametes to contain the B | null | null | Multiple Choice | a. true, b. false | b |
4,667 | NDQ_009449 | introduction to genetics | __You could use a Punnett square to predict the most likely ratio of daughters to sons in a given | null | null | Multiple Choice | a. true, b. false | a |
4,668 | NDQ_009450 | introduction to genetics | __A person with type A blood could have the genotype AA, AO, or AB. | null | null | Multiple Choice | a. true, b. false | b |
4,669 | NDQ_009451 | introduction to genetics | __Adult height is an example of a sex-linked trait. | null | null | Multiple Choice | a. true, b. false | b |
4,670 | NDQ_009452 | advances in genetics | The Human Genome Project was launched in | null | null | Multiple Choice | a. 1900, b. 1990, c. 2000, d. 2003 | b |
4,671 | NDQ_009453 | advances in genetics | ____method of making copies of a gene that uses bacteria | null | null | Multiple Choice | a. a.polymerase chain reaction, b. b.cystic fibrosis, c. c.gene cloning, d. d.Marfan syndrome, e. e.Human Genome Project, f. f.Down syndrome, g. g.genetic disorder | c |
4,672 | NDQ_009454 | advances in genetics | ____any disease caused by mutations | null | null | Multiple Choice | a. a.polymerase chain reaction, b. b.cystic fibrosis, c. c.gene cloning, d. d.Marfan syndrome, e. e.Human Genome Project, f. f.Down syndrome, g. g.genetic disorder | g |
4,673 | NDQ_009455 | advances in genetics | Which type of trait is cystic fibrosis? | null | null | Multiple Choice | a. autosomal dominant, b. sex-linked dominant, c. autosomal recessive, d. sex-linked recessive | c |
4,674 | NDQ_009456 | advances in genetics | An example of a chromosomal disorder is | null | null | Multiple Choice | a. Marfan syndrome, b. Down syndrome, c. sickle cell anemia, d. hemophilia A | b |
4,675 | NDQ_009457 | advances in genetics | ____example of a disease caused by a chromosomal mutation | null | null | Multiple Choice | a. a.polymerase chain reaction, b. b.cystic fibrosis, c. c.gene cloning, d. d.Marfan syndrome, e. e.Human Genome Project, f. f.Down syndrome, g. g.genetic disorder | f |
4,676 | NDQ_009458 | advances in genetics | ____example of a disease caused by a dominant mutation | null | null | Multiple Choice | a. a.polymerase chain reaction, b. b.cystic fibrosis, c. c.gene cloning, d. d.Marfan syndrome, e. e.Human Genome Project, f. f.Down syndrome, g. g.genetic disorder | d |
4,677 | NDQ_009459 | advances in genetics | Biotechnology may be used to | null | null | Multiple Choice | a. cure genetic disorders, b. produce human proteins, c. create genetically modified organisms, d. all of the above | d |
4,678 | NDQ_009460 | advances in genetics | ____method of making copies of a gene that uses heat and an enzyme | null | null | Multiple Choice | a. a.polymerase chain reaction, b. b.cystic fibrosis, c. c.gene cloning, d. d.Marfan syndrome, e. e.Human Genome Project, f. f.Down syndrome, g. g.genetic disorder | a |
4,679 | NDQ_009461 | advances in genetics | Recessive genetic disorders | null | null | Multiple Choice | a. are usually less common than dominant disorders, b. are expressed only in homozygotes, c. always involve entire chromosomes, d. none of the above | b |
4,680 | NDQ_009463 | advances in genetics | ____international effort to determine the complete genetic blueprint of a human being | null | null | Multiple Choice | a. a.polymerase chain reaction, b. b.cystic fibrosis, c. c.gene cloning, d. d.Marfan syndrome, e. e.Human Genome Project, f. f.Down syndrome, g. g.genetic disorder | e |
4,681 | NDQ_009465 | advances in genetics | ____example of a disease caused by a recessive mutation | null | null | Multiple Choice | a. a.polymerase chain reaction, b. b.cystic fibrosis, c. c.gene cloning, d. d.Marfan syndrome, e. e.Human Genome Project, f. f.Down syndrome, g. g.genetic disorder | b |
4,682 | NDQ_009466 | advances in genetics | Specific aims of the Human Genome Project include | null | null | Multiple Choice | a. identifying the more than 20,000 human genes, b. mapping all human genes on chromosomes, c. sequencing the 3 billion bases in human DNA, d. all of the above | d |
4,683 | NDQ_009469 | advances in genetics | Which type of trait is sickle cell anemia? | null | null | Multiple Choice | a. X-linked recessive, b. X-linked dominant, c. autosomal recessive, d. autosomal dominant | c |
4,684 | NDQ_009471 | advances in genetics | Chromosomal disorders occur when chromosomes fail to separate normally during | null | null | Multiple Choice | a. meiosis, b. fertilization, c. mitosis, d. birth | a |
4,685 | NDQ_009472 | advances in genetics | Which disorder is caused by a missing chromosome? | null | null | Multiple Choice | a. Turners syndrome, b. Klinefelters syndrome, c. Down syndrome, d. all of the above | a |
4,686 | NDQ_009473 | advances in genetics | There are fewer than 10,000 human genes. | null | null | Multiple Choice | a. true, b. false | b |
4,687 | NDQ_009474 | advances in genetics | The Human Genome Project was accomplished entirely by U.S. scientists. | null | null | Multiple Choice | a. true, b. false | b |
4,688 | NDQ_009475 | advances in genetics | The Human Genome Project was completed in | null | null | Multiple Choice | a. 1900, b. 1990, c. 2003, d. 2010 | c |
4,689 | NDQ_009476 | advances in genetics | Few genetic disorders are caused by mutations in a single gene. | null | null | Multiple Choice | a. true, b. false | b |
4,690 | NDQ_009477 | advances in genetics | An example of an X-linked disorder caused by a mutation in a single gene is | null | null | Multiple Choice | a. Hemophilia A, b. Turners syndrome, c. Klinefelters syndrome, d. two of the above | a |
4,691 | NDQ_009478 | advances in genetics | Why did scientists insert the gene for human insulin into bacteria? | null | null | Multiple Choice | a. to cure the bacteria of diabetes, b. to make large quantities of insulin, c. to better understand diabetes, d. to cause mutations in the gene | b |
4,692 | NDQ_009479 | advances in genetics | The genotype of a person with Turners syndrome is XO. | null | null | Multiple Choice | a. true, b. false | a |
4,693 | NDQ_009480 | advances in genetics | The polymerase chain reaction is a technique for making many copies of a gene. | null | null | Multiple Choice | a. true, b. false | a |
4,694 | NDQ_009481 | advances in genetics | __Knowledge of the human genome helps us understand how the human species evolved. | null | null | Multiple Choice | a. true, b. false | a |
4,695 | NDQ_009482 | advances in genetics | __Dominant genetic disorders are more common than recessive genetic disorders. | null | null | Multiple Choice | a. true, b. false | b |
4,696 | NDQ_009483 | advances in genetics | __Based on his phenotype, U.S. president Abraham Lincoln is thought to have had Turners syn- | null | null | Multiple Choice | a. true, b. false | b |
4,697 | NDQ_009484 | advances in genetics | __Most chromosomal disorders involve the sex chromosomes. | null | null | Multiple Choice | a. true, b. false | a |
4,698 | NDQ_009485 | advances in genetics | __Biotechnology is also referred to as genetic engineering. | null | null | Multiple Choice | a. true, b. false | a |
4,699 | NDQ_009486 | advances in genetics | __The only use of biotechnology is curing genetic disorders. | null | null | Multiple Choice | a. true, b. false | b |
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