Name the process of identifying genetic defects by examining a small sample of fetal cells that are drawn by a needle inserted into the amniotic fluid surrounding the unborn fetus.

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This process is called amniocentesis, where a needle is inserted into the amniotic fluid surrounding the fetus to extract a small sample of fetal cells for genetic testing. Karyotype is a genetic test that analyzes the number, size, and shape of chromosomes, but it is not necessarily used in this specific method of testing. Ultrasound sonography is a noninvasive imaging technique that uses sound waves to create pictures of the inside of the body, including the fetus, but it does not involve genetic testing. Chorionic villus sampling (CVS) is another prenatal genetic testing method, but it involves taking a sample of the placenta for genetic analysis, not the amniotic fluid.

Name the Process of Identifying Genetic Defects by Examining a Small