Development, Genetics, and the Environment

Question 1

How does developmental diversity occurs?

Answer 1

The close and continual interplay genes and experience

Question 2

What are epigenetics?

Answer 2

Gene expression changes due to environment
Events in ancestor’s lives can have current effects

Question 3

Describe the relationship between MAO-A and aggressiveness.

Answer 3

MAO-A is a gene that helps break done chemicals that are released when a person is angry.
People who have lower levels of this gene

Question 4

What are the two strategies that assess heritability?

Answer 4

Selective breeding (Mendel’s peas) and family studies.

Question 5

What are the ethical considerations with family studies.

Answer 5

You cannot:
Separate families
Force adoption
Force twins

Therefore, observational designs are best, where you identify adoption families and report patterns in their experiences.