Based on molecular evidence,casein most likely arose from a gene coding for
A)albumin.
B)fibrinogen.
C)myoglobin.
D)transferrin.

Question

Quizplus · Accepted Answer

Molecular evidence suggests that casein arose from a gene coding for fibrinogen in a common ancestor of all mammals. Both casein and fibrinogen have a similar arrangement of repeated domains, suggesting they evolved from a common ancestor gene.

Based on Molecular Evidence,casein Most Likely Arose from a Gene