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NEET 2020 · BiologyPrevious Year Question

In which of the following techniques, the embryo are transferred to assist those females who cannot conceive?

Answer: (C) ZIFT and IUT. Answer: (C) ZIFT and IUT Solution: ZIFT transfers the zygote/early embryo (up to 8 blastomeres) into the fallopian tube and IUT transfers embryos with more than 8 blastomeres into the uterus, so both move the embryo.

  1. A.ICSI and ZIFT
  2. B.GIFT and ICSI
  3. C.ZIFT and IUT✓
  4. D.GIFT and ZIFT

Correct Answer

(C) ZIFT and IUT

Solution & Explanation

Answer: (C) ZIFT and IUT Solution: ZIFT transfers the zygote/early embryo (up to 8 blastomeres) into the fallopian tube and IUT transfers embryos with more than 8 blastomeres into the uterus, so both move the embryo. ICSI injects a sperm into the ovum and GIFT transfers an ovum (gamete), so neither transfers an embryo. NCERT Reference: Reproductive Health, p.48 — "The zygote or early embryos (with upto 8 blastomeres) could then be transferred into the fallopian tube (ZIFT–zygote intra fallopian transfer) and embryos with more than 8 blastomeres, into the uterus (IUT – intra uterine transfer)"

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