If a Trait Has High Heritability

question 145

Multiple Choice

If a trait has high heritability:

• A) hereditary differences account for none of the observed variations in that characteristic within that population.
• B) the environment cannot influence that trait.
• C) it is still possible for the environment to influence that trait.
• D) the trait is not influenced by heredity.

---

Definitions:

Testis Length

A measure of the length of the male reproductive organs, which can relate to reproductive strategies and sperm production.

Reproductive Cycle

The sequence of phases or stages that an organism goes through to produce offspring, beginning from one point in the production of gametes to the same point in the next generation.

Photoperiod

The length of day or night, which can influence biological rhythms and behaviors in organisms by affecting hormonal changes.

Photoperiod

The period of time each day during which an organism is exposed to daylight, often influencing biological rhythms and behaviors.