The Individuals Mendel Observed in the F₁ Generations Were Always

question 46

Multiple Choice

The individuals Mendel observed in the F₁ generations were always

• A) homozygous recessive.
• B) homozygous dominant.
• C) heterozygous.
• D) codominant.

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Definitions:

Hormones

Chemical substances produced in the body that regulate the activity of cells or organs.

Psychologists

Professionals who study mental processes and behavior in humans and animals.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.

Medulla

The lower part of the brainstem, controlling essential life-sustaining functions such as breathing, heart rate, and blood pressure.