READING

Question 1

how would a correlation between a parent and child relate to a heriability estimate?

Answer 1

the correlation between parent and child is doubled to yield the heritability estimate

this is because a parent and child shares 50% of genes

Question 2

how can an estimate of heritability be yielded from a twin study?

Answer 2

heritability - 2(rMZ- rDZ)

Question 3

what should we bear in mind when consider individual differences between and within groups

Answer 3

• the causes of average differences between groups are not nessercarily related to the causes of average differences within groups