Dr Jennings Is Interested in Studying the Heritability of Jealousy

Multiple Choice

Dr. Jennings is interested in studying the heritability of jealousy. So, he conducts a twin study and concludes that the heritability coefficient is + 1.82. What does this mean?

A) The variability in jealousy is mostly due to genes.
B) The variability in jealousy is mostly due to the environment.
C) The variability in jealousy is due to both genes and environment.
D) Jealousy is not a polygenetic trait.
E) Dr.Jennings made a mistake.