Sometimes Certain Diseases Affect All Sons of an Affected Father

question 10

Multiple Choice

Sometimes certain diseases affect all sons of an affected father, even when the mother is unaffected. What is the BEST explanation of this?

• A)The mother is a heterozygote and gives the affected gene to her son.
• B)The disease-related gene is in the Y chromosome.
• C)There is a breakdown of the crisscross pattern of inheritance.
• D)The corresponding genes in the Y chromosome are not expressed.
• E)The disease exhibits dominant inheritance.

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Definitions:

Placebo Effect

The phenomenon where a patient's symptoms can improve after receiving a treatment with no therapeutic value, due to their belief in its efficacy.

Medically Neutral Substance

A substance that has no beneficial or harmful effect on health when administered.

Drug-Induced Change

Alterations in physiology, behavior, or consciousness resulting from the consumption or administration of pharmaceutical substances or drugs.

Disease Prevention

Measures taken to prevent the onset of diseases or health conditions, often involving lifestyle changes or vaccinations.