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During reproduction, the chromosome numb...

During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again resume the original number (2n) in the offspring, what are the processes through which these events take place?

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Halving of chromosomal number takes place during gametogenesis and regaining the 2n number occurs as a result of fertilisation.
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OSWAAL PUBLICATION-HUMAN REPRODUCTION-TOPIC-2 (MENSTRUAL CYCLE,FERTILISATION AND PREGNANCY)(MULTIPLE CHOICE QUESTIONS)
  1. During reproduction, the chromosome number (2n) reduces to half (n) in...

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  2. Choose the incorrect statement from the following:

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  3. Identify the wrong statement from the following:

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  4. Spot the odd one out from the following structures with reference to t...

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  5. Seminal plasma, the fluid part of semen, is contributed by. (i) Semi...

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  6. Spermiation is the process of the release of sperms from:

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  7. Mature Graafian follicle is generally present in the ovary of a health...

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  8. Acrosomal reaction of the sperm occurs due tu :

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  9. Which one of the following is not a male accessory gland ?

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  10. The immature male germ cell undergoes division to produce sperms by th...

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  11. Match between the following representing parts of the sperm and their ...

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  12. Which among the following has 23 chromosomes?

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  13. Match the following and choose the correct options:

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  14. Which of the following hormones is not secreted by human placenta?

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  15. The vas deferens receives duct from the seminal vesicle and opens into...

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  16. Urethral meatus refers to the :

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  17. Morula is a developmental stage:

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  18. The membranous cover of the ovum at ovulation Activate Windows Go to P...

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  19. Identify the odd one from the following:

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