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Question 1

Gene expression

Answer 1

genes may be present but inactive

Question 2

Hormones can ___ genes

Answer 2

deactivate

Question 3

other factors that affect gene expression

Answer 3

stress, exercise, obesity, cancer, radiation, smoking, sleep, etc.

Question 4

epigenetics

Answer 4

environment affects gene expression

Question 5

passive hereditary environment correlation

Answer 5

children inherit genetic tendencies from their parents, and parents also provide an environment that matches their own genetic tendencies

Question 6

evocative

Answer 6

the child’s genetic tendencies elicit stimulation from the environment that supports a particular trait. thus genes evoke environmental support

Question 7

active
(Niche-picking)

Answer 7

children actively seek out “niches” in their environment that reflect their own interests and talents and are thus in accord with their genotype

Question 8

Propensity for depression

Answer 8

5-HTTLPR

Question 9

monozygotic twins

Answer 9

develop from the same fertilized egg , same dna

Question 10

dizygotic

Answer 10

different DNA, fertilized by separate sperm

Question 11

ectoderm becomes

Answer 11

nervous system, skin, sensory organs

Question 12

mesoderm becomes

Answer 12

muscles, skeleton, kidneys, reproductive system