Males Are More Often Affected by Sex-Linked Traits Than Females

question 37

Multiple Choice

Males are more often affected by sex-linked traits than females because

• A)sex-linked traits are located on autosomes that affect males more severely than females.
• B)the presence of a Y chromosome often worsens the effects of X-linked mutations.
• C)X chromosomes in males generally have more mutations than X chromosomes in females.
• D)males are hemizygous for the X chromosome.

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Definitions:

Cardiac Cycle

The sequence of events that occurs in the heart during one heartbeat, including contraction (systole) and relaxation (diastole) of the atria and ventricles.

Valve

A device or structure that regulates, directs, or controls the flow of a fluid by opening, closing, or partially obstructing pathways.

Plasma Proteins

Proteins present in blood plasma, responsible for various functions including clotting, defence against pathogens, and transport of substances.

Osmotic Balance

The regulation of water and solute concentrations in organisms to maintain a stable internal environment.