Directions: Choose the Best Answer Based on the Information You

question 5

True/False

Directions: Choose the best answer based on the information you read in Chapter 24.
A comma can be used in place of a period in a sentence.

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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.