When the ovum is fertilized by the sperm, this is called ____

If Andrew is a normal, healthy baby who weighed 8 pounds at birth, about how much would you expect him to weigh at age 4 months:

a. 10 pounds b. 13 pounds c. 16 pounds d. 21 pounds

Sodium amytal tests have indicated that

A) the cerebral dominance for speech is more variable in left-handed individuals than in right-handed individuals. B) right-handers are more likely to be left-hemisphere dominant for speech than right-hemisphere dominant for speech. C) left-handers are more likely to be right-hemisphere dominant for speech than left-hemisphere dominant for speech. D) all of the above E) both A and B