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23 which type of cervical muscous is characterized by

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23. Which type of cervical muscous is characterized by the following traits:-High viscosity-Produced in apical crypts-Removes sperm from the cervixA. SulfomucinsB. SialomucinC.The cervix does not have mucous
24. How many of the following statements are true about a reproductive cell with TWO polarbodies?-It has been fertilized by a sperm-It has not completed meiosis-It has not yet developed a female pronucleus
Answers1.CMesonephric ducts degrade in female, so no tubular output, the rest are true2.BThe urogenital sinus develops into the caudal vagina3.DPGC colonization of the gonadal ridge initiates development of sex cords, this processis sex independent, sex specific development occurs afterwards4.B5.BAMH inhibits paramesonephric ducts, leads to no internal reproductive tract6.DTestosterone is produced by Leydig cells, in response to LH7.C8.A9.CThe spermatic cord can be distinguished from the pelvic urethra as it directly connectsto the testes10. BThe indicated structure is the testis11. E12. CTestosterone inhibits kisspeptin, which in turn reduces the amount of GnRH13. DAbundance of all hormones is higher in post-pubescent males14. CThe time to ejaculation and number of mounts tends to DECREASE with age15. AThe clamp pinches offblood vessels, placing it between the incisor and the bodyprevents severe blood loss during castration16. EAll hormones are necessary to maintain the proper cycling environment needed17. BRecombination occurs between homologs during prophase of meiosis I18. ASpermatids are post-meiosis, have a single copy of each chromosome19. DCentrioles become the post-nuclear cap and the flagellum, the other statements aretrue20. CFemales exhibit increased activity before copulation, intromission is a copulatorybehaviour. The other two are precopulatory and indicate sexual receptivity21. ANitric oxide signals corporal sinusoids to expand22. DNRR is not normalized, this makes it susceptible to herd biases23. ASulfomucins (the “foe”) is thicker and washes sperm out of the female tract24. BFertilization induces the completion of meiosis, producing an additional polar body andfemale pronucleus. Note: a 3rd polar body may develop at this stage, from division ofthe first one.
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Term
Winter
Professor
Eduardo Ribeiro
Tags
Luteinizing hormone, Testicle, Sertoli cell

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