Describe at least two types of prenatal testing that are used to diagnose chromosomal abnormalities and involve extraction of fetal cells for karyotypes?

Human Heredity: Principles and Issues (MindTap Course List)
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Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations
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Problem 23QP: Describe the chromosomal alterations and phenotype of cri du chat syndrome and Prader-Willi...
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Describe at least two types of prenatal testing that are used to diagnose chromosomal abnormalities and involve extraction of fetal cells for karyotypes? 

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Invasive prenatal tests are mainly used to detect various chromosomal abnormalities in foetus. 

Two prenatal testing done for early diagnosis of any chromosomal abnormality in the foetus are:

1. Chorionic villus sampling 

2. Amniocentesis

 

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