Codominance Occurs When

question 76

Multiple Choice

Codominance occurs when

• A) offspring exhibit several different phenotypic expressions of a single trait.
• B) a heterozygote expresses an intermediate phenotype.
• C) both of the alleles in a heterozygote are equally expressed phenotypically in an individual.
• D) expression of two different alleles alternates from one generation to the next.

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Definitions:

Hypothalamus

A region of the brain below the thalamus, coordinating both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Endocrine Glands

Glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct.

Major Hormones

Hormones that have significant roles in the regulation of various physiological processes, including growth, metabolism, and reproductive function.

Insulin

An agent created by the pancreas that oversees the maintenance of blood glucose levels, helping tissues to take in glucose.