The Different Forms of a Gene-For Example, Those Responsible for Eye

question 3

Multiple Choice

The different forms of a gene-for example, those responsible for eye color-are called

• A) cyclins.
• B) alleles.
• C) sister chromatids.
• D) telomeres.
• E) receptors.

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Definitions:

Antagonistic Pleiotropy

A situation where a single gene controls for more than one trait, where at least one of these traits is beneficial to the organism's fitness and at least one is detrimental.

Childbirth

The process of delivering a baby from the uterus to the outside world.

Breast Cancer

A malignant tumor that develops from breast cells, being one of the most common cancers affecting women worldwide.

E4 Allele

A variant of the APOE gene associated with an increased risk for Alzheimer's disease and other health conditions.