Imagine an Island Archipelago Where All of the Islands Are

question 31

Multiple Choice

Imagine an island archipelago where all of the islands are founded by individuals heterozygous at a particular locus. If there is no migration or mutation, and the alleles at that locus are neutral, what do you expect the island populations to look like after many generations?

• A) Some island populations will have fixed one allele, and other populations will have fixed the other allele.
• B) The populations on every island will have fixed the same allele.
• C) The island populations will have high levels of genetic diversity at this locus.
• D) We cannot predict any outcome because genetic drift is a random process.

---

Definitions:

Acquisition Cost

The total cost incurred to acquire an asset, including the purchase price and all other expenses necessary to bring the asset into its intended use.

Available-for-Sale Securities

Financial assets that are neither held for trading purposes nor intended to be held to maturity, which can be sold in response to liquidity needs.

Held-to-Maturity Securities

Financial assets that the holder has the positive intent and ability to hold until a specified maturity date.

Debt Securities

Financial instruments that signify amounts owed by the issuer to the holder and include terms regarding repayments and interest rates.