Amniocentesis, infertility and ART (IVF, ZIFT, GIFT)
- What are the potential drawbacks in adoption of the IVF method?A. High fatality risk to motherB. Expensive instruments and reagentsC. Husband/wife necessary for being donorsD. Less adoption of orphansE. Not available in IndiaF. Possibility that the e… Answer: 1. B, D, F only Key idea: Drawbacks of IVF are about cost, embryo survival and its limited social effect, not risk to life. B: corre... 1
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Amniocentesis for sex determination is one of the strategies of Reproductive and Child Health Care Programme.Reason R: Ban on amniocente… Answer: 1. A is false but R is true. Key idea: Amniocentesis is misused to find the sex of the foetus, so it is banned for that purpose. Ass... 1
- Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET) ? Answer: 1. Cow is administered hormone having LH like activity for super ovulation In MOET, the cow is given hormone with FSH-like activity... 1
- In which of the following techniques, the embryos are transferred to assist those females who cannot conceive ? Answer: 1. ZIFT and IUT Key idea: Techniques that transfer an embryo, not gametes, are ZIFT and IUT. In ZIFT, a zygote or early embryo (up t... 1
- In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation ? Answer: 2. Artificial Insemination Key idea: When the male has a very low sperm count, semen is collected, concentrated and placed in the fe... 1
- Embryo with more than 16 blastomeres formed due to in vitro fertilization is transferred into Answer: 4. uterus In IVF-ET, an embryo with up to 8 blastomeres is transferred into the fallopian tube (ZIFT). An embryo with more than 8 bl... 1
- In context of Amniocentesis, which of the following statement is incorrect ? Answer: 4. It can be used for detection of Cleft palate. Key idea: Amniocentesis tests fluid-borne foetal cells for chromosomal and metaboli... 1