Males Are More Commonly Affected by X-Linked Recessive Genetic Disorders

question 57

Multiple Choice

Males are more commonly affected by X-linked recessive genetic disorders than females because ____.​

• A) ​females have two X chromosomes; therefore, they do not inherit recessive alleles
• B) ​males have only one X chromosome; therefore, they express all recessive X-linked traits
• C) ​males have only one X chromosome; therefore, they have multiple alleles for each X-linked gene
• D) ​Y chromosomes cause X-linked gene mutations
• E) ​males are genetically weaker than females

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Definitions:

Single Covalent

A type of chemical bond where two atoms share one pair of valence electrons, resulting in a stable molecule.

Ionic Bond

An ionic bond is a type of chemical bond formed through the electrical force between oppositely charged ions.

Double Covalent

A type of chemical bond where two pairs of electrons are shared between two atoms.

Neutrons

Subatomic particles with no electric charge, found in the nucleus of an atom, contributing to the atomic mass and stability of the atom.