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प्रश्न
Briefly explain IVF and ET What are the conditions in which these methods are advised?
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उत्तर
IVF and ET refers to In vitro Fertilisation and Embryo Transfer. Gametes from the male and female are collected hygienically and induced to fuse in the laboratory set up under simulated conditions. The zygote formed is collected and introduced into the uterine region of a host or surrogate mother at an appropriate time (secretory phase). Early embryos (upto 8 cell) are generally transferred to the fallopian tube whereas embryos with more than 8 cells are transferred to the uterns.
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संबंधित प्रश्न
Write a brief note on the causes of infertility.
Give four causes of infertility in males.
Multiple choice question.
Test tube baby technique is called _______.
Fill in the blank:
The primary sex organ in human male is _______.
Fill in the blank:
Gonorrhoea is caused by _______ bacteria.
Expand the following.
ZIFT
The procedure of GIFT involves the transfer of female gametes into the fallopian tube, can gametes be transferred to the uterus to achieve the same result? Explain.
The method of directly injecting a sperm into ovum in assisted by reproductive technology is called ______.
In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation?
Choose the correct statement regarding the ZIFT procedure.
Which method can be used for women that cannot produce ovum but can provide suitable environment?
Which of these can be used to cure infertility in couples where male partner has very low sperm count?
The first case of IVF-ET technique success, was reported by ______.
ZIFT is transfer of ______.
What is correct for test tube baby?
The stage transferred into the lotuses after induced fertilization of ova in the laboratory is ______.
Trace the events from copulation to zygote formation in a human female.
In which of the following techniques, the embryos are transferred to exist those females who cannot conceive?
Which one of the following choices reflects the correct number of chromosomes in the zygote and in the second polar body of Drosophila melanogaster?
| Zygote | Meiocytes | |
| I | 08 | 08 |
| II | 04 | 08 |
| III | 08 | 04 |
| IV | 04 | 04 |
