Question
'Intra-cytoplasmic sperm injection' and 'gamete intra fallopian transfer' are two assisted reproductive technologies. How is one different from the other?
| 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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| S.No. | Type of Barrier | S.No. | Barrier |
| a. | Physical | i. | Skin, a |
| b. | Physiological | ii. | b, in the eye |
| c. | c | iii. | Interferon |
| d. | Cellular | iv. | WBC, d |