The Safest and Surest Way to Lose Weight and Be

question 20

Multiple Choice

The safest and surest way to lose weight and be healthy is to

• A) exercise.
• B) eat healthily.
• C) rely on diet pills.
• D) both a and b, not C

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Definitions:

BRCA1 Gene

A gene that produces a protein responsible for repairing damaged DNA. Mutations in this gene can lead to an increased risk of developing breast and ovarian cancer.

Positive Selection

A process in evolutionary biology where advantageous genetic mutations are selected for, leading to evolutionary changes over time.

Hereditary Breast Cancer

Breast cancer that is associated with inherited gene mutations, significantly increasing the risk of developing breast cancer in family members.

Tumor-Suppressor Genes

Genes that help regulate cell growth and division and can protect cells from becoming cancerous. When mutated or inactivated, they may contribute to cancer development.