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ZIFT

Choose the co...

Question

Choose the correct statement regarding the ZIFT procedure.

A

Ova collected from a female donor are transferred to the Fallopian tube to facilitate zygote formation.

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B

Zygote is collected from a female donor and transferred to the Fallopian tube.

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C

Zygote is collected from a female donor and transferred to the uterus.

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D

Ova collected from a female donor and transferred to the uterus.

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Solution

The correct option is B Zygote is collected from a female donor and transferred to the Fallopian tube.
In test tube baby programme, the zygote is allowed to divide upto 8 blastomeres in the laboratory then it is transferred into the Fallopian tube. This technique is called ZIFT (Zygote Intra Fallopian Transfer).

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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. Which two of the following statements are incorrect regarding in vitro fertilization?
(i) In this method, ova from the wife/donor female and sperms from the husband/donor male are induced to form zygote in the uterus.
(ii) If the embryo is having

2

blastomeres, it is transferred into the uterus.
(iii) If the embryo is with more than

8

blastomeres, it is transferred into the uterus.
(iv) The baby thus produced is called test tube baby.

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

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. Name the following techniques:
(i) Transfer of an ovum collected from a donor to another female who cannot produce ova but can provide a suitable environment for fertilisation and development.
(ii) Embryo formed in a lab by directly injecting sperm into an ovum.

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