Use This Information to Answer the Following Questions

question 42

Multiple Choice

Use this information to answer the following questions.
A large population of laboratory animals has been allowed to breed randomly for a number of generations. After several generations, 25% of the animals display a recessive trait (aa) , the same percentage as at the beginning of the breeding program. The rest of the animals show the dominant phenotype, with heterozygotes indistinguishable from the homozygous dominants.
-What is the most reasonable conclusion that can be drawn from the fact that the frequency of the recessive trait (aa) has not changed over time?

• A) The population is undergoing genetic drift.
• B) The two phenotypes are about equally adaptive under laboratory conditions.
• C) The genotype AA is lethal.
• D) There has been a high rate of mutation of allele A to allele a.
• E) There has been sexual selection favoring allele a.

---

Definitions:

Hydrocolloid Dressing

A type of bandage made of gel-forming agents that provide a moist and insulating healing environment, commonly used for wounds and ulcers.

Reposition

The act of moving or adjusting something (or someone) to a new or correct position.

Assess

The act of evaluating or analyzing something to determine its value, significance, or condition.

Care Plan

A detailed approach developed by healthcare providers that outlines the strategy for managing a patient's specific health needs.