Let's Say That We Measure the Height of Every Student

question 244

Multiple Choice

Let's say that we measure the height of every student in your class and conclude that the heritability coefficient is + .75. This means that

• A)height is genetically determined
• B)about 75% of height variation in the class is due to genetic factors
• C)about 75% of height variation in the class is due to environmental factors
• D)height in the general population is about 75% genetic
• E)we made an error-heritability cannot exceed + 0.50

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Definitions:

Extrinsic Eye Muscles

The six muscles that control the movement of the eye and the eyelid, allowing for complex movements and adjustments in vision.

Ciliary Muscle Activity

The contraction and relaxation of the ciliary muscle, which helps in controlling the lens shape for focusing on objects at varying distances.

Membranous Labyrinth

A complex system of fluid-filled tubes and sacs found within the inner ear, important for hearing and balance.

Bony Labyrinth

A complex system of channels and cavities within the temporal bone of the skull that houses the organs of hearing and balance.