A secondary spermatocyte has 12 chromosomes. How many chromosomes will be found in the primary spermatocyte that gave rise to it? a. 6b. 12c. 18d. 24
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A secondary spermatocyte has 12 chromosomes. How many chromosomes will be found in the primary spermatocyte that gave rise to it?
a. 6
b. 12
c. 18
d. 24
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- Where does sperm production occur within the testis? a. rete testis c. seminiferous tubules b. myoid cells d. interstitial cellsWhat produces sperm through spermatogenesis?A. Sertoli cellsB. Leydig cellsC. Interstitial cellsWhat happened if there is an excessive secretion of prostaglandin during menstruation? a,Inflammation b,Unfertilized egg is lost c,Irregular menstrual cycle d.Cramps
- How does the human body ensure that another pregnancy does not occur during embryonic and fetal development? A. Low levels of LH B. High levels of estrogenWhich female organ has an endometrial lining that will support a developing baby? a. labia minora b. breast c. ovaries d. uterusWhich structure helps to expel the baby during labor? a. myometrium b. cervix c. endometrium d. vulva
- Cells begin to change their shape and function as the embryo develops in the uterus; what is the name of the process that is used to describe the process wherein "generic (stem)" cells begin to alter their shape and function? 49. A. Cell mitosis B. Cell differentiation C. Cell division D. Cell augmentationWhat would happen if the placenta was not able to fulfill its endocrine function in a pregnantwoman? A. The level of hCG released by the trophoblast would increase B. Mature follicles would not be released by the ovaries C. FSH and LH levels would increase D. The corpus luteum would not be maintainedRefer to the diagram of gametogenesis to answer item 23 - 25 23. Which of the structure contains haploid (n) number of chromosomes? A. 1 B. 5 C. 6 D. 4 24. Which of the structures contains diploid (2n) number of chromosomes? A. 1 and 2 B. 3 and 4 C. 6 and 8 D. 7 and 925. What is the ratio of spermatids and ootid produced in Gametogenesis? A. 4 spermatids : 4 ootids B. 4 spermatids : 2 ootids C. 1 spermatid : 4 ootids D. 4 spermatids : 1 ootid
- What does the combination pill for birth control contain? A. Estradiol and testosterone B. Testosterone and insulin C. Estradiol and progesterone D. Oxytocin and vasopressinWhich statement is accurate about the ovarian cycle? a. GnRH inhibits the anterior pituitary from secreting FSH and LH. b. Progesterone stimulates the follicle cells to mature. c. Estrogen production ceases when the secondary oocyte is ovulated. d. High levels of estrogen stimulate the anterior pituitary to secrete FSH and LH.Which statement is NOT true regarding alcohol consumption during pregnancy? a. The surgeon general states that pregnant women should abstain from alcohol. b. Alcohol crosses the placenta freely and deprives the developing fetus of both nutrients and oxygen. c. Fetal alcohol syndrome cannot be treated, only prevented. d. No harm will result to the infant unless the mother is actually drunk.