If a Color-Blind (X-Linked Recessive Trait)man Marries a Woman Who

question 73

Multiple Choice

If a color-blind (X-linked recessive trait) man marries a woman who is heterozygous for the trait,what proportion of their male offspring can be expected to be color blind?

• A)1/2
• B)1/4
• C)1/8
• D)All
• E)None

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Definitions:

Fractured Clavicle

A break in the collarbone, which is a common injury resulting from falls or direct impact to the shoulder area.

Moro Reflex

An automatic response in infants when they feel as if they are falling, involving spreading out the arms, unspreading them, and crying.

Allis Test

A clinical test used to check for hip dislocation or dysplasia, typically performed on infants by comparing the levels of the knees when bent.

Ortolani Sign

A clinical sign used to detect hip dislocation or dysplasia in infants, involving a specific maneuver.