Module 3: Behavioral Genetics

Question 1

adoption study

Answer 1

a behavior genetic research method that involves the comparison of adopted children to their adoptive and biological parents

Question 2

amniotic sac

Answer 2

a fluid-filled sac that protects and contains the fetus in the uterus

Question 3

behavioral genetics

Answer 3

the empirical science of how genes and environments combine to generate behavior

Question 4

dizygotic

Answer 4

derived from two separate ova

Question 5

epigenetics

Answer 5

the study of heritable phenotype changes that do not involve alterations in the DNA sequence; the prefix epi- means above

Question 6

monozygotic

Answer 6

derived from a single ovum

Question 7

placenta

Answer 7

an organ that develops in the uterus during pregnancy to provide oxygen and nutrients to the fetus

Question 8

quantitative genetics

Answer 8

scientific and mathematical methods for inferring genetic and environmental processes based on the degree of genetic and environmental similarity among organisms

Question 9

twin studies

Answer 9

a behavior genetic research method that involves a comparison of the similarity of identical (monozygotic; MZ) and fraternal (dizygotic; DZ) twins