The life-support systems for the embryo include the:

Mary’s mother has blonde hair and her father has brown hair. Mary has a gene for brown hair and a gene for blonde hair. She has brown hair. This indicates that the gene for brown hair is a(n) _____.

Approximately _____ percent of all low birth weight children are enrolled in special education programs.

By the time babies are born, they have approximately _____ neurons.

Which of the following identifies the order of the three periods of prenatal development in the correct sequence?

Brenda’s baby was born just minutes ago, and the doctor is checking the baby’s heart rate, respiratory effort, body color, reflex irritability, and muscle tone. Brenda’s baby is being tested with the:

By far the most common high-tech assisted reproduction technique used is _____.

_____ is the field that seeks to discover the influence of heredity and environment on individual differences in human traits and development.

Which of the following is true of the stages of childbirth?

In the nature-nurture issue, nature refers to an organism’s _____, nurture to its _____.