A Population of 1,000 Birds Exists on a Small Pacific

question 47

Multiple Choice

A population of 1,000 birds exists on a small Pacific island. Some of the birds are yellow, a characteristic determined by a recessive allele. The others are green, a characteristic determined by a dominant allele. A hurricane on the island kills most of the birds from this population. Only 10 remain, and those birds all have yellow feathers. Which of the following statements is true?

• A) Assuming that no new birds come to the island and no mutations occur, future generations of this population will contain both green and yellow birds.
• B) The hurricane has caused a population bottleneck and a loss of genetic diversity.
• C) This situation illustrates the effect of a mutation event.
• D) The 10 remaining birds will mate only with each other, and this will contribute to gene flow in the population.

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Definitions:

Battered

Subjected to repeated physical violence, often used to describe individuals in abusive relationships.

Open-Ended Question

A question formatted to allow for a response more extensive than a single word or fixed choice, facilitating discussion or detailed information gathering.

Verbal Skill

The ability to use and understand words and language effectively for communication.

Shortness Of Breath

A sensation of difficulty breathing or getting enough air, often associated with heart or lung conditions.