In a study of twins, a researcher finds that 40 percent of dizygotic (DZ) twins and 40 percent of monozygotic (MZ) twins share a trait. What is the researcher most likely to conclude about the trait?
a. It is 40 percent concordant.
b. It is 60 percent concordant.
c. It is genetically determined.
d. It is not genetically determined.
Question 2
What is the most likely cause of a disorder if both monozygotic and dizygotic twins show a high concordance rate?
a. recessive genes
b. dominant genes
c. different environmental experiences
d. shared environmental experiences
The experiment performed by Jacob, Monod, and Pardee to study a lacI constitutive mutant
Any number of crossovers gives 50 percent recombinants
Results from sequential study of two cohorts tested at three ages and at three different points in t
Performing a Correlational Study
How to solve simple percent word problems (Part 1)
A GWAS study for Type 2 diabetes revealed 386,371 genetic markers, clustered here by chromosome numb