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Standard XII
Biology
GIFT
Transfer of a...
Question

Transfer of an ovum of a donor into fallopian tube of a surrogate mother is

A
ET
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B
IUT
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C
GIFT
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D
ZIFT
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Solution

The correct option is C GIFT

A. IVF- In vitro fertilization is a method in which fertilization of male gamete (spermatozoon) and female gamete (ovum) outside the body in almost similar conditions as that in the body followed by zygote or embryo transfer(ET).

B. IUT- The embryo with more than 8 blastomeres is transferred into the uterus.

C. GIFT- In this, ovum from the donor female is surgically removed and is then introduced into the fallopian tube of females.

D. ZIFT- The zygote or early embryo (upto 8 blastomeres stage) is transferred to fallopian tube called zygote intra fallopian transfer or ZIFT.

So, the correct answer is 'GIFT'.


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Q.

The technique involving the transfer of ovum of a donor female into the fallopian tube of a recipient female is called


Q. Assertion :Transfer of an ovum collected from a donor into the Fallopian tube of another female who cannot produce an ovum, is called as GIFT. Reason: Transfer of early embryos with upto 8 blastomeres into the Fallopian tube of the female, is called ZIFT.
Q. Select the correct option:
i) In IUT, embryos with more than 8 blastomeres are transferred into the uterus.
ii) In ZIFT, a fertilised egg is transferred directly into the fallopian tube.
iii) In GIFT, ovum is transferred directly into the fallopian tube.

Q. Name the techniques which are employed in the following cases:

(a) Transfer of an ovum collected from a donor into the fallopian tube of another female who cannot produce ova but can provide a suitable environment for fertilization and development.
(b) Embryo is formed in a laboratory in which sperm is directly injected into an ovum.
Q. Select the correct match of the techniques given in column I with its feature given in column II. Column I Column II
A) ICSI 1) Artificially introduction of semen into the vagina or uterus
B) IUI 2) Transfer of ovum collected from a donor into the fallopian tube where fertilization occurs
C) IUT 3) Formation of embryo by directly injecting sperm into the ovum
D) GIFT 4) Transfer of the zygote or early embryo (with upto 8 blastomeres) into a fallopian tube
E) ZIFT 5) Transfer of embryo with more than 8 blastomeres into the uterus

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