Genes influence physical development most directly by:
a. Interacting with cells in the mother's placenta
b. Instructing the body to produce certain proteins
c. Controlling the speed with which electrical impulses flow
d. Secreting certain enzymes that stimulate or inhibit growth
Question 2
Three of the following are common practices in caring for a premature infant. Which one is not recommended?
a. Cuddle the infant.
b. Massage the infant.
c. Give the infant plenty of light.
d. Minimize any disruptions to sleep.