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
Blood Flow Through The Cardiac Valves
Blood Glucose Levels
Rate of Growth of Brain Areas
Raynaud’s disease.
Anemic Red Blood Cells
Crohn’s disease