Why do amphibians have so much more DNA than humans?
A) Amphibians have more repetitive sequences than do humans.
B) Amphibians are more biologically complex than mammals.
C) Amphibians have more genes than do humans.
D) Amphibians are tetraploid, while humans are diploid.

Question

Quizplus · Accepted Answer

Amphibians have more DNA than humans because they have a higher proportion of repetitive sequences, such as transposons and satellite DNA. These repetitive sequences make up a significant portion of the genome and contribute to its overall size. However, they do not necessarily indicate greater complexity or gene number in amphibians compared to humans.

Why Do Amphibians Have So Much More DNA Than Humans