Behavioral Genetics

question 43

Multiple Choice

Behavioral genetics

• A)is the study of how social systems influence disease patterns.
• B)was a theory first proposed by Charles Darwin.
• C)is the study of how genes affect behavior.
• D)is no longer considered a valid theoretical approach.
• E)emphasizes the role of ecological variables in shaping social behaviors.

---

Definitions:

Deuterostomes

Lineage of bilateral animals in which the second opening on the embryo surface develops into a mouth; for example, echinoderms and chordates.

Radial Symmetry

A symmetrical arrangement in which body parts radiate out from a central point, common in animals like jellyfish and starfish.

Embryonic Opening

The embryonic opening refers to the blastopore, an early stage in the development of an embryo that can develop into the mouth or anus in different animal groups.

Chelicerates

A subgroup of arthropods that includes spiders, scorpions, ticks, and mites, characterized by the presence of chelicerae, which are claw-like mouthparts.