Changes in Population Occur as a Result of Three Processes

question 46

Multiple Choice

Changes in population occur as a result of three processes. Which of the following is not a process that results in a change in population?

• A)fertility
• B)mortality
• C)social pathology
• D)migration

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Definitions:

Monozygotic Twins

Twins that develop from a single fertilized egg and are genetically identical.

Dizygotic Twins

Also known as fraternal twins, these are two siblings born at the same time who have developed from two different eggs fertilized by two different sperm cells.

Homozygous

Describes an organism with two identical alleles for a particular trait or gene.

Heterozygous

Possessing two different alleles of a gene, one inherited from each parent, resulting in variation of a genetic trait.