Which of the following is the major difference between GIFT and ZIFT?

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GIFT leads to in vivo fertilisation whereas ZIFT follows in vitro fertilisation.

GIFT is a non-invasive procedure while ZIFT is an invasive procedure.

ZIFT requires the woman to have normal fallopian tubes which is not a prerequisite for GIFT.

ZIFT involves transferring unfertilised eggs while GIFT involves transferring fertilised eggs.

answer is D.

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Detailed Solution

GIFT (gamete intrafallopian transfer) is the transfer of ova (unfertilised eggs) into the woman’s fallopian tube and fertilisation occurs in vivo (in the fallopian tubes). ZIFT is the transfer of zygote (fertilised egg) into the fallopian tube after in vitro fertilisation. Both are invasive procedures and require the woman to have normal fallopian tubes.

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