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Reproductive Health — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYReproductive Health3 Marks
Question
How are assisted reproductive technologies helpful to humans? How are ZIFT and GIFT different from intrauterine transfers? Explain.
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Answer

  1. The assisted reproductive technologies enable the infertile couples to have children.
  2. ZIFT refers to the method of embryo transfer in the test tube baby programme, in which the zygote or embryo with upto 8-blastomeres is transferred into the fallopian tube.
  3. GIFT refers to the transfer of an ovum collected from a donor female into the fallopian tube of another female, who cannot produce an ovum, but can provide suitable conditions for fertilisation and pregnancy.
  4. Intrauterine transfer refers to the transfer of embryo with more than 8 blastomeres into the uterus of a female.

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