caption: Chromosomes and Classical Genetics <PERSON> in 1902 proposed that chromosomes were the physical carriers of <PERSON> s alleles <PERSON> in 1902 proposed that chromosomes were the physical carriers of <PERSON> s alleles Problems arose however regarding the following question: Problems arose however regarding the following question: Why are the number of alleles which undergo independent assortment greater than the number of chromosomes of an organism.
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