At Approximately What Age Is an Infant Able to Discriminate

question 187

Multiple Choice

At approximately what age is an infant able to discriminate among different emotional facial expressions and respond?

• A)4 months
• B)6 months
• C)10 months
• D)10–12 weeks

---

Definitions:

Genetic Drift

Change in allele frequency due to chance alone.

Random Mating

A mating system where all individuals within a population have an equal chance of mating with each other, leading to genetic diversity.

Artificial Selection

The process by which humans breed plants or animals for particular genetic characteristics.

Directional Selection

Mode of natural selection in which forms of a trait at one end of a range of variation are adaptive.