The human X and Y chromosomes ____.
A)developed from two homologous chromosomes that diverged during evolution
B)both contain the SRY gene
C)are the same size
D)are homologous along their entire lengths
E)cross over mostly in their shared middle regions

Question

The human X and Y chromosomes ____.
A)developed from two homologous chromosomes that diverged during evolution​
B)both contain the SRY gene​
C)are the same size​
D)are homologous along their entire lengths​
E)cross over mostly in their shared middle regions​

Quizplus · Accepted Answer

The human X and Y chromosomes originated from a pair of homologous chromosomes. Over time, these chromosomes evolved differently, leading to the distinct X and Y chromosomes seen today. This divergence is a result of different selective pressures and the accumulation of mutations over millions of years.

The Human X and Y Chromosomes ____