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During reproduction the chromosome nmber...

During reproduction the chromosome nmber (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring. What are the processes through which these events take place?

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Chromosome number if reduced to half (n) during gametogenesis and it again is restored (2n) as a result of fertillization .
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PRADEEP-HUMAN REPRODUCTION -ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. What is the significance of epididymis in male fertility?

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  2. female reproductive organs and associated functions are given bel...

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  3. During reproduction the chromosome nmber (2n) reduces to half (n) in t...

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  4. write two differences between endometrium and myometrium .

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  5. where do you find corpora cavernosa ?

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  6. What is parturition? Which hormones are involved in induction of partu...

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  7. When and where do chorionic villi appear in humans ? State their funct...

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  8. How does the inguinal hernia develop?

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  9. Name the accessory genital glands in male .

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  10. How is corpus luteum formed ? What is its funcation ?

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  11. Name the accessory structures of female reproductive system .

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  12. What is spermatogenesis ? Write down its steps .

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  13. How do leydig cells help in spermatiogenesis ?

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  14. Name some chemicals that are released by acrosome during fertil...

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  15. What is reproducation ? Name the common modes of reproducation ...

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  16. What is gametogenesis ? Name its two types and give difference...

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  17. Describe the glands associated with the male reproductive system ...

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  18. Write down the functions of tests or ovaries .

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  19. Give the differences between male and female urethra .

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  20. Give an account of male menopause .

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