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प्रश्न
After a brief medical examination a healthy couple came to know that both of them are unable to produce functional gametes and should look for an ‘ART’ (Assisted Reproductive Technique). Name the ‘ART’ and the procedure involved that you can suggest to them to help them bear a child.
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उत्तर
The assisted reproductive technique (ART) for such couples is ZIFT, which stands for zygote intrafallopian transfer.
In this technique, the sperm is collected from the donor male and the ovum is collected from the donor female. The sperm and the ovum are fused in laboratory conditions and developed till the 8-blastomere stage. This zygote or early embryo is then transferred to the fallopian tube of the mother for further development.
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संबंधित प्रश्न
A large number of married couples the world over are childless. It is shocking to know that in India the female partner is often blamed for the couple being childless.
- Why in your opinion the female partner is often blamed for such situations in India? Mention any two values that you as a biology student can promote to check this social evil.
- State any two reasons responsible for the cause of infertility.
- Suggest a technique that can help the couple to have a child where the problem is with male partner.
Correct the following statement:
In E. T. techniques, embryos are always transferred into the uterus.
Fill in the blank:
Sperm fertilizes ovum in the _______of fallopian tube.
Fill in the blank:
The disc-like structure which helps in the transfer of substances to and from the fetus’s body is called _______.
Fill in the blank:
The hormone produced by the testis is _______.
Short answer question.
Write a note on IVF.
Generally the zygote or early embryo with how many blastomeres is transferred into the fallopian for further development, in IVF?
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?
Which of the following is ART?
The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females ______.
In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube?
The first case of IVF-ET technique success, was reported by ______.
The test-tube baby programme employs which one of the following techniques?
Mention the primary aim of the “Assisted Reproductive Technology” (ART) programme.
Trace the events from copulation to zygote formation in a human female.
Given below are Column A with a list of certain Assisted Reproductive Technologies (ART) and in Column B the procedures followed during ART:
| Column A | Column B | ||
| S. No. | Names of ART | S. No. | Procedures |
| (A) | GIFT | (i) | Transfer of ovum from a donor into the fallopian tube of another female. |
| (B) | ICSI | (ii) | Transfer of semen from the donor into the vagina of the female. |
| (C) | ZIFT | (iii) | Injecting sperm directly into the ovum. |
| (D) | IUI | (iv) | Transfer of early embryos into the fallopian tube. |
Choose the option where ART correctly matches with the procedure.
Expand the term ZIFT.
Explain any two ways by which IUDs devices act as contraceptives.
