What is the process of sperm maturation/differentiation from spermatids to sperm

Question

What is the process of sperm maturation/differentiation from spermatids to sperm is known as? A. Spermatogenesis B. Spermiation C. Spermatoretraction D. Zonation How old is the egg of a 19 year old girl at the time of ovulation? A. 2 hours B. 48 hours C. 14 days D. 19 years What is ovulated? A. Primary oocyte B. Egg C. Oogonium D. Secondary oocyte Where is mitochondria found in sperm? A. Tip Acrosome B. Middle piece C. Head D. Tail Mitotically produced daughter cells are: A. Structurally B. Functionally identical C. Genetically (genomically) identical D. None of the above After mitosis is completed, chromosome number is: A. Reduced B. Remains the same C. Doesn't affect the chromosome number D. None of the above Acrosome Mitochondria Nucleus Karyotype or karyogram is the photograph of: A. Chromosomes with centromere B. Homologous chromosomes (only sex chromosomes) C. All the chromosomes of the cell D. Centriole pair When centromeres of the human chromosomes are located near the end, they are known as following type: A. Metacentric B. Submetacentric C. Acrocentric D. Telocentric Which of the following structural aberration could cause "down syndrome"? A. Deletion B. Translocation C. Inversion D. Insertion Which of the following structural aberration on chromosome 5 could cause "cri-du-chat syndrome"? A. Deletion B. Translocation C. Inversion D. Insertion Identify turner syndrome: A. 45X B. 47 (21/21/21) or Trisomy 21 C. 47XXX

Explanation / Answer

The answers are

19. A. Spermatogenesis
20. C. 14 days
22. B. Middle part
23. C. Genetically identical
24. B. Remains same
25. C. Acrosome
26. A. Mitochondria
27. B. Nucleus
28. C. All the chromosomes of the cell
29. C. Acrocentric
30. D. Insertion (Trisomy or addition of chromosome is the exact answer)
31. A. Deletion
32. A. 45X

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