In typical prenatal development,
a. male embryos look very different from female embryos, beginning 2 weeks after conception.
b. prenatal hormone levels are very different for males and females, beginning 1 month after conception.
c. the internal reproductive system develops prior to the external genitals.
d. almost all components of the reproductive system develop during the last 6 weeks before birth.
Question 2In typical prenatal development,
a. the same two sets of ducts develop into a female reproductive system in females and a male reproductive system in males.
b. the sex glands (gonads) of males and females look substantially different from each other within 2 weeks after conception.
c. Mllerian ducts are transformed into the female reproductive system by the presence of androgen.
d. the reproductive system develops only during the final month of gestation.
Question 3In the first six weeks after conceptionduring typical prenatal developmentmales and females differ in their
a. gonads.
b. internal reproductive systems.
c. chromosomes.
d. hormones.
Question 4At conception,
a. the egg cell from the mother contributes either an X chromosome or a Y chromosome.
b. the sperm cell from the father contributes either an X chromosome or a Y chromosome.
c. if there is an XX arrangement, the offspring will be a genetic male.
d. if there is an XY arrangement, the offspring will be genetic female.
Question 5Which of the following statements about chromosomes is correct?
a. An embryo's sex is determined by the specific arrangement of all 23 chromosome pairs.
b. The egg cell from the mother has a sex chromosome that can be either an X or a Y.
c. A female's sex chromosomes are symbolized XX.
d. The female egg contains 23 chromosomes, whereas the male sperm contains only 22 chromosomes.
Question 6Five-year-old Sandra knows that she is a girl, that girls are not supposed to get dirty, and that she wants to be an astronaut, even though most astronauts are not women. This information is all relevant to the concept known as
a. a stereotype.
b. modeling.
c. social constructionism.
d. gender typing.
Quick Reply
