A Mutation Is

question 90

Multiple Choice

A mutation is

• A)a change in a DNA sequence in less than 1% of a population that affects anatomy and/or physiology.
• B)a common genetic variant.
• C)always beneficial to health.
• D)always harmful to health.

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Definitions:

Zona Pellucida

A glycoprotein layer surrounding the plasma membrane of mammalian oocytes, crucial for fertilization.

Corona Radiata

A layer of cells that surround the oocyte, both in the ovarian follicle and after ovulation, playing a crucial role in fertilization.

Fertilization

The process involving the fusion of a sperm and an egg cell, leading to the formation of a zygote and initiating embryonic development.

Fertilization

The process of combining male and female gametes, leading to the formation of a zygote and the beginning of embryonic development.