If a homosexual male were gonadectomized and then given extremely large replacement injections of testosterone, his primary sexual orientation would be

The underlying combination of genetic material present (but not outwardly visible) in an organism is known as the organism's

a. homozygote. c. genotype. b. heterozygote. d. phenotype.

Why is it important for parents to remember that a lot of the crying that infants do in their early life occurs for no particular reason?

a. It triggers distress in those around the infants. b. It is thought to communicate important information. c. It is just a way for infants to increase lung volume. d. It has no communicative purpose.