In Those with Alzheimer's Disease, Physical Health Usually

question 81

Multiple Choice

In those with Alzheimer's disease, physical health usually:

• A) declines at the same rate as mental health.
• B) declines more rapidly than mental health.
• C) declines less rapidly than mental health.
• D) declines rapidly, then stabilizes.

---

Definitions:

Dominance Effects

Phenomena where the phenotype of the heterozygote is closer to that of one of the homozygotes due to the dominant influence of one allele over another.

Epistatic Effects

Interactions between different gene loci where the effect of one gene is modified by the presence or absence of one or more 'modifier genes'.

Quantitative Trait

A measurable phenotype that depends on the cumulative actions of many genes and possibly environmental factors.

Fitness Function

A concept used in genetics and evolutionary biology to measure an organism's ability to survive and reproduce.