At conception, the genetic material of the mother's ovum and the genetic material of the father's sperm unite, creating a new cell called a(n)
a. embryo.
b. gamete.
c. juvenile cell.
d. zygote.
Question 2Conception is defined as the moment when the
a. egg is fertilized by a sperm.
b. ovum undergoes its first cell division.
c. sperm enters the fallopian tube.
d. ovary encounters a sperm.
Question 3Which best exemplifies the process of cultural evolution?
a. The fact that different eye shapes are found within individuals in the same ethnic group
b. Inheriting a stronger left arm than a right arm because in the past, this allowed for the faster cutting of grains and more food for families
c. The dramatic shift from Communism to Democracy seen in the Soviet Union in the 1980s
d. Greater height in current generations than in past generations because in past generations, food that needed to be gathered was closer to the ground
Question 4The belief that we inherit tried and true ways of adjusting to the environment from past generations is referred to as
a. crossing over.
b. incomplete dominance.
c. concordance.
d. cultural evolution.
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