Why Do X-Linked Conditions Appear More Frequently in Males Than

question 42

Multiple Choice

Why do X-linked conditions appear more frequently in males than in females?

• A)A male with a nonfunctioning allele on the X chromosome does not have another allele of that gene on the Y chromosome that could cover up the nonfunctioning one.
• B)Males have no X chromosomes.
• C)The Y chromosome carries many alleles that are recessive to alleles on the X chromosome.
• D)Males are more likely to inherit an extra chromosome than females.
• E)Females have no X chromosomes.

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Definitions:

Estuaries

Coastal water bodies where freshwater from rivers and streams mixes with saltwater from the ocean, creating an ecologically rich environment.

Salinity

The concentration of dissolved salts in water, affecting the density, biodiversity, and chemical behavior of aquatic environments.

Fluctuation

A variation or change in a state, quantity, or level, often without a set pattern or rhythm.

Mismatched

Not properly or suitably matched; often used in the context of DNA sequences where bases do not align properly.