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What do you understand by amniocentesis...

What do you understand by amniocentesis ? Why is there a statutory ban on this ? Give reason

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It is a procedure in which amniotic fluid is taken from amniotic sac of the foetus to diagnose various chromosomal and genetic disorders. During this test sex of the body is also revealed. This promotes the practice of female foeticide. Hence, it is justified to ban the process to check female foeticide.
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TRUEMAN BIOLOGY-REPRODUCTION-SECTION-B
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  2. How many haploid nuclei and haploid cells are present in the female ga...

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  3. Placenta acts as an endocrine gland. Explain.

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  4. The number of taxa exhibiting asexual reproduction is drastically redu...

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  5. Draw the sketches of a zoospore and conidia. Mention two dissimilariti...

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  6. Give below are the events that are observed in an artificial hybridiza...

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  7. Why most of the zygotes in angiosperms divide only after certain amoun...

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  8. Corpus luteum in pregnancy has a long life. However, if fertilisation ...

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  9. What are the events taking place in the ovary and uterus during follic...

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  10. Expland: FSH and LH. Mention one function each. .

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  11. The procedure of GIFT involves the transfer of female gamete to the fa...

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  12. Briefly explain IVF and ET. What are the conditions in which these met...

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  13. All reproductive tract infections RTIs are STDs, but all STDs are not ...

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  14. What do you understand by amniocentesis ? Why is there a statutory ba...

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

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  16. (a) How does cleistogamy ensure autogamy? (b) State one advantage an...

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  17. Explain the steps that ensure cross pollination in an autogamous flowe...

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  18. Name all the haploid cells present in an unfertilized mature embryo-sa...

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  19. Differentiate between the two cells enclosed in a mature male gaemetop...

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  20. Name the hormones involved in the regulation of spermatogenesis.

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