Chapter 21, Problem 21.49E

Interpretation Introduction

(a)

Interpretation:

An explanation as to how genetic mutations can harm an organism is to be described.

Concept introduction:

A constant alteration in $\text{DNA}$ is the main cause of diversity among organisms, and that makes up a gene. It is known as a genetic mutation. Some alteration occurs naturally during $\text{DNA}$ replication, while others can be induced by environmental factors such as ultraviolet light, gamma rays, and $\text{X-}$ rays.

Interpretation Introduction

(b)

Interpretation:

An explanation as to how genetic mutations can help an organism is to be described.

Concept introduction:

A constant alteration in $\text{DNA}$ is the main cause of diversity among organisms and that makes up a gene. It is known as a genetic mutation. Some alteration occurs naturally during $\text{DNA}$ replication, while others can be induced by environmental factors such as ultraviolet light, gamma rays, and $\text{X-}$ rays.