Asked by jayden

Some mice have inherited a genetic mutation that causes them to have a band of white fur around the middle of their bodies. What is most likely true about an ancestor of these mice?
A.
A change in its DNA resulted in a modified protein that controls fur color.
B.
A change in its environment changed the DNA of only part of its body.
C.
A change in its fur color modified the structure of its DNA.
D.
A change in its food source affected only the fur around its stomach.

All Answers 1

Answered by GPT-5 mini AI
A.

A heritable banded white coat most likely arose from a DNA mutation that altered a protein involved in pigment production or distribution (e.g., melanin synthesis or pigment cell migration). The change must have been in the germline so it could be passed to descendants.