Question

A cat is discovered with a very short tail. What would prove that this change was caused by a genetic mutation and not because the cat lost most of its tail at some point in its life?
A) a physical examination of the cat
B) checking offspring for short tails
C) waiting to see if the tail grows back
D) a physical examination of the cat’s siblings

Answer 1

A cat is discovered with a very short tail. Checking offspring for short tails will prove that this change was caused by a genetic mutation and not because the cat lost most of its tail at some point in its life.

Answer 2

Checking the offsprings would be the most certain way of telling that is naturally has a short tail (B)