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Reproductive Health — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYReproductive Health2 Marks
Question
'Intra-cytoplasmic sperm injection' and 'gamete intra fallopian transfer' are two assisted reproductive technologies. How is one different from the other?
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Answer

S.No.
ICSI
GIFT
(i)
It is a technique in which the sperm is directly injected into the cytoplasm of the ovum to form a zygote in the laboratory conditions.
In this method, the ovum obtained from a female is transferred into the fallopian tube of another female for fertilisaton and further development.
(ii)
Embryo transfer becomes necessary.
Embryo transfer is not necessary.
(iii)
It is in vitro fertilisation.
It is in vivo fertilisation.

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