Stage 2 of the Demographic Transition Model Presented in Your

question 44

Multiple Choice

Stage 2 of the demographic transition model presented in your text is characterized by

• A) a high birthrate but a declining death rate.
• B) declining birthrates and death rates.
• C) high birthrates and death rates.
• D) a high death rate and declining birthrate.

---

Definitions:

Heritability

A measure of how much of the variation in a trait within a population can be attributed to genetic differences among individuals in that population.

Single-gene Disorders

Genetic disorders caused by mutations in a single gene, affecting how a particular protein is made or functions, leading to various health problems.

Recessive

A term used in genetics to describe a trait or gene that is only expressed when two copies of it are present, one from each parent, as it is masked by the presence of a dominant trait when only one copy is present.

Cell Differentiation

The process by which a cell becomes specialized in order to perform a specific function within the body.