Multiple Choice
An embryo with one X and one Y chromosome will develop male characters because of
A) the presence of female hormones in development.
B) the absence of testosterone during early embryology.
C) the SRY regions of the Y chromosome.
D) maternal substances passed to the zygote during fertilization.
E) human chorionic gonadotropin.
Correct Answer:

Verified
Correct Answer:
Verified
Q3: In the following list of developmental events,
Q4: An embryo develops from the<br>A) blastomere.<br>B) gastrula.<br>C)
Q5: An agent that can cause birth defects
Q6: When does a zygote become a multicellular
Q7: The embryonic period ends by which week
Q10: The cavity between the body wall and
Q12: The fact that a blastocyst has been
Q13: The link between mother and embryo through
Q48: After birth, which hormone causes the uterus
Q70: The female hormones that participate in milk