If an X- Linked Disorder Is Lethal to the Affected

question 45

Multiple Choice

If an X- linked disorder is lethal to the affected individual prior to the age at which one reaches reproductive maturation,the lethality will be expressed only in males.Why is this so?

• A)Because it's sex- limited inheritance,females do not demonstrate the phenotype.
• B)The only sources of the lethal allele in the population are heterozygous females who are "carriers" and do not express the disorder.
• C)At the cellular level,the protein will work less well in the male's cells.
• D)As it's a lethal allele,it will kill the homozygous recessive first.These are the males.
• E)This is not true.We will see the lethality in females as well.

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Definitions:

Schizophrenia

A mental disorder characterized by delusions, hallucinations, disorganized speech, and impaired cognitive function.

Biological Factors

Components related to the biology of an organism, including genetic, neurochemical, and physical aspects, that influence behavior and health.

Experiential Risk

The potential for loss or negative outcomes resulting from direct personal experiences or activities.

Schizophrenia

A mental disorder characterized by disturbances in thought, perception, and behavior, leading to a disconnect from reality, often manifested as hallucinations, delusions, and disorganized thinking.