Imagine a Population Where There Are 20 Aa Individuals, 50

question 49

Multiple Choice

Imagine a population where there are 20 aa individuals, 50 Aa individuals, and 30 AA individuals. Imagine that selection acts against both homozygotes such that neither homozygote survives to adulthood. What is the frequency of each genotype in the next generation of zygotes?

• A) aa = 0, Aa = 1.0, and AA = 0
• B) aa = 0.20, Aa = 0.60, and AA = 0.20
• C) aa = 0.20, Aa = 0.50, and AA = 0.30
• D) aa = 0.25, Aa = 0.50, and AA = 0.25

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Definitions:

Breast Cancer

A type of cancer that forms in the cells of the breasts, one of the most common cancers among women worldwide.

Developed

Achieved a high level of industrialization, infrastructure, and standard of living.

Breast Cancer Death Rate

The mortality rate associated with breast cancer, indicating the number of deaths per a given population over a specified time period.

Early Detection

The identification of a disease or condition at an initial stage, aiming to improve the outcome through prompt treatment.