Which of the Following Statements BEST Reflects the Extent to Which

question 23

Multiple Choice

Which of the following statements BEST reflects the extent to which we can distinguish the effects of genes and the environment on the expression of a complex trait?

• A)About 80% of an individual's height is determined by genes and 20% by environment.
• B)For identical twins raised in the same environment, height should not differ by more than 20%.
• C)In a group of individuals of the same sex, about 80% of the variation in height among individuals is due to genetic differences and 20% is due to environmental differences.
• D)If one individual is 60 inches tall and another is 70 inches tall, they differ in about 80% of their genes.
• E)None of answer options is correct.

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Definitions:

Tachycardia

A condition where the heart rate is abnormally high, typically exceeding the normal resting rate.

T3 Hormone

Triiodothyronine, a thyroid hormone that plays a vital role in the body's metabolic processes.

Nerve Damage

Injury or impairment to nerves that can result in loss of sensation, movement, or other functions.

Head Control

The ability to hold and move one's head in a stable and directed manner, a developmental milestone in infants.