Flashcards
Th2L03 Genetic testing
Cards in this deck (9)
- 1What is amniocentesisA technique of prenatal diagnosis in which amniotic fluid, obtained by aspiration from a needle inserted into the uterus, is analysed to detect certain genetic and congenital defects in the foetus
- 2When is amniocentesis usually carried outduring weeks 15-20 of pregnancy
- 3What are the risks of amniocentesisIt is invasive and carries 1% chance of miscarriage
- 4What safe-guards are their for amniocentesisonly offered if combined test shows risk (1Ks carried out every year)
- 5What is a combined testblood test that indicates if there is a significant risk the baby will develop a serious condition or abnormality
- 6What is the combined test carried outin Europe at 9-14 weeks, US at 11-13 weeks of pregnancy
- 7What is involved in amniocentesis analysis(1) Foetal cells isolated
(2) Quantification of chromosomes (Q-PCR 1 day, 2 hours to test)
(3) Karyotype (2 weeks), grown in culture medium - 8What is the Q-PCRmeasures the quantity of a target sequence; used to study gene expression
- 9What is the significance of maternal ageincreases the risk of trisomy
Esp. after age 33
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- User has deleted their subject information Flashcards on Th2L03 Genetic testing , created by Deleted user on 26/08/2016.
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- Deleted user · Aug 2016
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- Aug 27, 2016
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- Created by Emma Allde · Aug 22, 2016
- Copied by Emma Allde · Aug 26, 2016
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