Monozygotic twins allow for unique genetic studies because they ...

[serike]

Monozygotic twins allow for unique genetic studies because they
 
  a. have identical genes.
 b. always share the same environment.
 c. share approximately 50 percent of the same genes.
  d. are usually raised in similar ways.

Question 2

Adoption studies are often used when attempting to study the influence of genetic factors on psychological disorders because these studies allow examination of genetic influences of psychopathology
 
  a. without the typical confound of common biological parents.
 b. using more sophisticated statistical techniques.
 c. through direct examination of genetic causes.
 d. without the typical confound of siblings raised in the same environment.

[parker125]

Answer to Question 1

a

Answer to Question 2

d

[serike]

Excellent

[carojassy25]

Thanks for the timely response, appreciate it