In Pedigree Charts,autosomal Recessive Disorders Typically

question 24

Multiple Choice

In pedigree charts,autosomal recessive disorders typically

• A)appear in every generation.
• B)appear only in males.
• C)appear only in females.
• D)seem to disappear in one generation,only to reappear in the next generation.
• E)occur every third generation.

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Definitions:

Onset of Crawling

The stage in a baby's development when they start to move on their hands and knees.

Myelination

The process of forming a myelin sheath around a nerve to improve the speed at which electrical impulses are passed along the nerve fiber.

Neural Impulses

Electrical and chemical signals transmitted along neurons, facilitating communication within the nervous system.

Myelin

An insulating material that forms a sheath around certain axons and speeds the transmission of nerve impulses from one neuron to the next.