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Reproductive Health — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYReproductive Health1 Mark
Question
How are assisted reproductive technologies helpful to humans? How are $\text{ZIFT}$ and $\text{GIFT}$ different from intra uterine transfers? Explain.
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Answer

The infertile couples could be assisted to have children through certain special techniques known as assisted reproductive technologies $(\text{ART}).$
  1. $\text{ZIFT}:$​​​​​​​ The zygote or early embryo with up to $8$ blastomeres is transferred into the fallopian tube. This is called zygote intra$-$fallopian transfer $(\text{ZIFT}).$
  2. $\text{GIFT}:$ Gamete intra$-$fallopian transfer is the transfer of an ovum collected from a donor into the fallopian tube of another female who cannot produce one but can provide a suitable environment for fertilisation and further development of the embryo.Intra$-$uterine transfer $(\text{IUT})$ refers to the introduction of an embryo with more than $8$ blastomeres into the uterus of a female to complete its further development.

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