Unformatted text preview: 6. What human female structure is homologous to the male scrotum?
A) labia minors
B) labia majors
E) vagina 7. If a secondary oocyte is fertilized and successfully implanted in the uterine lining,
it becomes a‘ pro-embryo and begins to secrete
C) gonadotropin-releasing hormone Gt r h
D) human chorionic gonadotropin .
‘ E) gonadotropin—inhibitin hormone O” Y) 8. Which is no; correct regarding the perineum
A) It is a diamond-shaped area between the thighs
B) It includes the urogenital triangle and the anal triangle
C) It is circumscribed by the coccyx, ischial tubetosities, and pubic
D) It contains the uthetral and vaginal oriﬁces in females
E) It contains the urethral oriﬁce in males 9. There are two major reasons that the number of different possible humans is virtually endless. One reason is random assortment of chromosomes, the other is
A) random mating B) crossing over. C) reduction division
E) spermiogenesis. 10. At what stage of development are the right and leﬁ sides of the embryo
established A) During blastulation B) During gasmilation C) During cleavage D) During impiantation E) During cell differentiation. 11. What would happen if more than one sperm penetrated a secondary oocyte, an
event tenned polyspenny?
A) Identical twins.
B) The sperm with the most advanced chromosomes would merge with the
C) The extra sperm would mostly likely fertilize one of the polar bodies
D) The resulting zygote would not develop. ...
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- Spring '09