Which Outcome Could Help You Identify a Trait Whose Expression

question 11

Multiple Choice

Which outcome could help you identify a trait whose expression is determined by the effects of two or more genes (polygenic inheritance) ?

• A)A mating between a homozygous and a heterozygous individual produces more than the expected number of offspring expressing the dominant trait.
• B)All of the alleles of the gene for that trait are equally expressed.
• C)Pleiotropy occurs.
• D)The trait varies along a continuum in the population.

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Definitions:

Etiology of Alzheimer's

The study of the cause or origin of Alzheimer's disease, focusing on genetic, environmental, and lifestyle factors.

Alzheimer's Disease

A progressive neurodegenerative disorder that causes memory loss and cognitive decline, typically in older adults.

Neurocognitive Disorders

A group of conditions that impair cognitive function, including memory, problem-solving, and attention, often due to brain damage or disease.

Pick's Disease

A rare form of dementia characterized by progressive degeneration of brain cells, especially in the frontal and temporal lobes.