5
QuizMultiple Choice

Lab: Heredity and Punnett Squares — Unit test

Question 5 • FL-2002070-M/J Comprehensive Science 2

Which best describes a helpful genetic mutation?

Answer
A
a mutation that cannot be passed on to offspring
B
a mutation that increases an organism's chances of survival
C
a mutation that results in no change to the organism's physical appearance
D
a mutation that causes cells to divide rapidly and uncontrollably

Explanation

A helpful mutation gives an organism an advantage, such as improving its chances of surviving and reproducing. Therefore, the best description is a mutation that increases an organism’s chances of survival. A mutation that cannot be inherited or that causes uncontrolled cell division is not generally helpful.

AI-written and checked against the verified answer.

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