twin and adoption studies

Question 1

which twins are identical

Answer 1

MZ

Question 2

give a benefit of twin studies

Answer 2

twin registries already exist, large and representative data set

Question 3

give a weakness of twin studies

Answer 3

may overestimate genetic influence if environments aren’t the same

Question 4

what are adoption studies

Answer 4

twins are compared to biological parents and adoptive parents

Question 5

give a benefit to adoption studies

Answer 5

proves that twin studies incorrectly assume shared environment

Question 6

give a negative

Answer 6

may be adopted to families similar to biological (selective placement)

Question 7

give an example of a twin study

Answer 7

bredgen et al (2005)

Question 8

give an example of an adoption study

Answer 8

horn et al (1979)