With Respect to X-Linked Dominant Inheritance, Which, If Any, of the Following

question 2

Multiple Choice

With respect to X-linked dominant inheritance, which, if any, of the following statements is false?

• A) There are significantly more affected females than males.
• B) Each child born to an affected mother has a risk of 1 in 2 of being affected.
• C) Each daughter born to an affected father has a risk of 1 in 2 of being affected.
• D) Each boy born to an affected father has a negligible risk of being affected.

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Definitions:

Alpha

A term often used to describe the first or most significant occurrence of something.

Muscarinic Receptors

A type of receptor found in various body tissues, responding to the neurotransmitter acetylcholine, involved in parasympathetic nervous system responses.

Atropine

A medication used to treat certain types of nerve agent and pesticide poisonings, and to decrease saliva production during surgery, among other uses.

Pupil Dilation

The widening of the pupil, which can occur in response to decreased light exposure or emotional arousal, to allow more light into the eye.