Circadian Rhythms Are Those That

question 193

Multiple Choice

Circadian rhythms are those that:

• A) inhibit all neural activity.
• B) are influenced by the phase of the moon.
• C) last about a day.
• D) last about a month.

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Definitions:

Heritability

A measure of how much of the variation in a particular trait within a population can be attributed to genetic differences among individuals.

Dominant-Recessive Inheritance

A genetic transmission pattern where an inherited trait is dictated by the presence of just one dominant gene, overshadowing a recessive gene when both are present.

Incomplete Dominance

A genetic inheritance pattern in which both genes are expressed in the phenotype.

Polygenic Inheritance

Occurs when a trait is a function of the interaction of many genes, such as with height, intelligence, and temperament.