Molecular biology - fundamental questions
where does Protein come into play?

A Gene codes a protein.
DNA is transcibed into messenger RNA (mRNA). mRNA is translated into protein.


What do you call Genes that are spliced together to form something new?

Genes are not spliced together. One single gene can consist of introns (intervening sequences) and exons (expressed sequences). Transcribed introns in the RNA are spliced out and the exons glued together to form a functional mRNA.


What do you call a variable inside a Gene?

Genes are made up of DNA. DNA is made up of nucleotides.