Which of the Following Is True About Genetic Drift

question 48

Multiple Choice

Which of the following is true about genetic drift?

• A)It is more likely to occur in a large population than in a small population.
• B)It may lead to an allele becoming fixed in a population.
• C)It increases the number of heterozygotes in a population.
• D)It increases the frequency of rare alleles in a population.

---

Definitions:

Bacterial Chromosome

The self-replicating genetic structure of bacteria, usually a circular DNA molecule containing all the necessary information for the life of the cell.

Circular DNA

DNA that is structured in a loop or circle, commonly found in bacteria and some eukaryotes, distinct from the linear DNA of most eukaryotic organisms.

Linear DNA

DNA molecules that exist in a straight or linear form, as opposed to circular DNA found in some bacteria and the mitochondria of eukaryotes.

Unwound Chromatin

Refers to the relaxed form of chromatin, making it accessible for processes like transcription and replication.