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- Question 38 When does a human male start to produce sperm? O Two of the choices are correct. O at birth at puberty O in utero. PRINECOMA3_..pptx O PRINECOMA3_....pptx MacBook Air DIl F2 F3 F4 F5 F6 F7 F8 @ #3 $ & 4 8. W R T Y S D F G J C- V gE8 BQuestion 27 Which of these CANNOT cause male infertility? O Very low testosterone O Removal of the testes O Circumcision of penis O Blockage of epididymis O Blockage of vas deferensQuestion 10 Which of these structures would contain an antrum? primordial follicle O primary follicle vesicular follicle O all would contain an antrum.
- Question 62 A normal human gestation lasts for how long? O 266 days from ovulation O 280 days from ovulation O 18 months altogether O 200 days after coitus O 10 months from last mensesO Sertoli cells-progesterone O hypothalamus-FSH Question 4 Which of the following is a similarity between spermatogenesis and oogenesis in vertebrate animals? Both spermatogenesis and oogenesis__ O result in the production of four functional haploid cells from one diploid cell O begin at the onset of sexual maturity O lead to the production of gametes from germ cells O generate diploid gametes via meiotic divisions Question 5 Where are human sperm produced? O vas deferens O prostate gland O epididymisQuestion 13 If a woman is NOT pregnant, which of the following will occur? O corpus luteum dies turning into corpus albicans-progesterone declines. O Corpus albicans turns into a corpus luteum which in turn secretes hCG. O corpus callosum transforms into a corpus luteum, FSH rises. O a ruptured follicle turns into a mature follicle, estrogen rises.
- Question 6 Which is true about oogenesis? a. The process of oogenesis occurs in the uterus Ob. The process begins with primitive stem cells called microglia Oc. They become encapsulated in tissue and form the ridges in the uterus O All of the choices are correct O None of the choices are correct uring spermatogenesis.the process of embedding of -7 fertilized ovum in the endometrium of the uterus is Fertilization O Implantation Decidual reaction O Non of above OQuestion 11 Match the bipotential structure with its sex-specific result. Wolffian duct v [ Choose ] Uterus Epididymis Ovary Shaft of penis Urethral folds and groove Testis Clitoris Gonad cortex [ Choose ] Gonad medulla [ Choose ] Mullerian duct [ Choose ] Genital Tubercle [ Choose ]
- Question 7 osis II after fertilization. Which of the following changes is most likely to occur as an immediate result of an injection of LH into a male mammal? O an increase in production of GnRH a decrease in production of testosterone O an increase in production of testosterone O a decrease in production of inhibin Question 8 Which option correctly lists, in chronological order, the three phases of the human ovarian cycle? O follicular phase → ovulation → luteal phase menstruation → proliferative phase → secretory phase phore → secretory phaseQuestion 83 Which of these is not a secondary sexual development in the male? O Muscular enlargement O Increased libido O Semen production O Subcutaneous fat O Laryngeal enlargementQuestion 26 refers to QTL on the cricket autosomes. Forthe sex chromosomes, females crickets are XX and malescrickets are XO, having just one X chromosome but noY chromosome. Can QTL for pulse rate be mapped oncricket X chromosomes? If the song is only sung by malecrickets, can the dominance effects of QTL on the X beestimated?
