Why Are X-Linked Traits More Commonly Expressed in Males

question 1

Multiple Choice

Why are X-linked traits more commonly expressed in males?

• A) There is no masking of an affected X allele with a normal X in males.
• B) Females must have two copies of the affected allele to display a phenotype.
• C) Females may be unknowing carriers and pass on the trait to male progeny.
• D) Males only have one X chromosome.
• E) All of the above.

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Definitions:

Right Visual Field

The part of the visual environment perceived by the left half of each retina, processed primarily by the brain's left hemisphere.

Verbally Report

The act of expressing observations, thoughts, or feelings using spoken or written language.

Split-Brain Patient

An individual who has undergone a corpus callosotomy, a surgical procedure that severs the corpus callosum, resulting in the two hemispheres of the brain operating independently.

Left Hemisphere

The left side of the brain, typically associated with analytical tasks, logic, language, and mathematical processing.