A researcher studies the rate of a rare blood disease among ...

[Themember4]

A researcher studies the rate of a rare blood disease among monozygotic and dizygotic twins. She finds a much higher rate of concordance in the monozygotic twins. What might she conclude?
 
  a) Both parents must be carriers of the disease.
  b) Genetic factors play a strong role in this disorder.
  c) The disorder is due to a chromosomal abnormality.
  d) There are few, if any, environmental influences on this disorder.

Question 2

Seth has Tay-Sachs disease. He wants to marry but is fearful of his children contracting the disease. Seth has volunteered for a research study. What field would be used?
 
  a) behavior genetics
  b) pedigree studies
  c) population genetics
  d) medical studies

[Pamela.irrgang@yahoo.com]

Answer to Question 1

Great help.

Answer to Question 2

c

[Themember4]

YES! Correct, THANKS for helping me on my review

[juliaf]

Thanks for the timely response, appreciate it