Substances That Cause Birth Defects Are Called

question 75

Multiple Choice

Substances that cause birth defects are called

• A)mutagens.
• B)androgens.
• C)progestins.
• D)teratogens.

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Definitions:

Genetic Factors

Aspects of an organism's genetic makeup that influence its physical and behavioral traits.

Dizygotic Twins

Also known as fraternal twins, are siblings born at the same time but developed from separate eggs fertilized by separate sperm.

Phenotype

The observable characteristics or traits of an organism, resulting from the interaction of its genotype with the environment.

Genotype

The genetic constitution of an individual organism, often contrasting with its physically expressed traits.