One measure of _____________ is to calculate the correlation (r) ...

[Pineappleeh]

One measure of _____________ is to calculate the correlation (r) between twins on a given trait and compare the correlation between MZ twins and DZ twins.
 
  a. environmentality
  b. genetic strength
  c. genetic similarity
  d. heritability

Question 2

The r_MZA method of estimating heritability also has its limitations. Here researchers assume that the adopted families of each twin are different form one another, but twins may be more alike on a certain characteristic due to
 
  a. the impact each twin has on his or her environment.
  b. communication between the two families.
  c. selective placement.
  d. representative placement.

[LegendaryAnswers]

Answer to Question 1

Answer: d: heritability

Answer to Question 2

Answer: d: representative placement.

[Pineappleeh]

Thanks for the timely response, appreciate it

[ebonylittles]

Great answer, keep it coming