Bailey and Pillard found the rate of homosexuality in males who had a homosexual twin brother to be
A) 52% for monozygotic and 22% for dizygotic twins.
B) 100% for monozygotic and 0% for dizygotic twins.
C) 50% for twins and 50% for siblings.
D) 30% for monozygotic twins and 20% for half brothers.
E) 92% for monozygotic and 52% for dizygotic twins.
Answer: A
You might also like to view...
Sean isn't altogether happy with his job, but has decided to stay because based on his calculation of his pension benefits, he cannot get a comparable pension with another company. Sean is exhibiting
a. affective commitment b. normative commitment c. continuance commitment d. implicit commitment e. resigned commitment.
Following a spinal cord injury, formation of the ____ prevents neuronal regeneration in the ____
a. blood-brain barrier, central nervous system b. blood-brain barrier, peripheral nervous system c. scar tissue from glia; central nervous system d. scar tissue from glia; peripheral nervous system