Multiple Choice
After fertilization, which stagin reproduction andevelopment occurs first?
A) cleavage
B) gamete formation
C) gastrula
D) zygote
E) blastula
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Which drug, if taken during pregnancy, results
Q3: Thaveragnumber of sperthat enter thvagina during an
Q4: Implantation occurs in the<br>A)ovary.<br>B)uterus.<br>C)vagina.<br>D)oviduct.<br>E)follicle.
Q5: Thheart, muscles, bones, anbloodevelop from<br>A)ectoderm.<br>B)mesoderm.<br>C)endoderm.<br>D)the placenta.<br>E)other germ
Q6: Sperformation requires about _days.<br>A)16<br>B)32<br>C)48<br>D)72<br>E)100
Q7: Thfact that a blastocyst has been implanteon
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Q9: Postnatal growth is most rapiin a human
Q10: For males to havintercourse<br>A)semen must be produced.<br>B)sperm
Q11: Thsecretion of testosteronrequires<br>A)LH.<br>B)GnRH.<br>C)Sertoli cells.<br>D)FSH.<br>E)LH, GnRH, and Sertoli