You are studying a eukaryotic gene whose initial transcript is 1500 nucleotides in length.The mature mRNA derived from the gene is 1200 nucleotides in length.What is the most probable reason for the discrepancy?
A)a mutation that results in a shorter product B)removal of introns C)removal of exons D)mRNA breakage E)A mutation that results in a shorter product or mRNA breakage could have occurred.
An individual has been infected with a particular retrovirus.In order for the latent virus DNA to be inherited by subsequent generations stemming from this individual,it must be found
A)in germ line cells. B)in stem cells. C)at a point early in childhood. D)in all cells simultaneously. E)in somatic cells.