Heritability Refers To

question 53

Multiple Choice

Heritability refers to:

• A) the amount of variation in a trait among individuals that can be attributed to genes.
• B) whether a particular trait is dominant or recessive.
• C) how closely a child's traits match those of his or her parents.
• D) Heritability refers to all of these definitions.

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Definitions:

Iris

The colored part of the eye surrounding the pupil, controlling light levels entering the eye.

Macula Lutea

A small, yellowish central area of the retina that is rich in cones and mediates clear, detailed vision.

Cone Density

The distribution of cone cells in the retina, which are sensitive to color and are used for high visual acuity.

Retina

A light-sensitive layer at the back of the eye, containing cells that convert light into neural signals sent to the brain.