Multiple choice

Pick out the true statement regarding the karyotype analysis.

  1. It is frequently done on the cells of foetus because it cannot detect the most genetic disorders.

  2. It is now an important medical tool used in forecasting the likelihood that the foetus will be normal.

  3. It is not used, now a days, because human pregnancy has only a small risk of birth defects.

  4. It is the number and appearance of chromosomes in the nucleus of a prokaryotic cell.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When the family history or age of the mother indicates a high risk of gross chromosomal abnormalities, embryonic or fetal tissue samples are often collected and cultured so that a karyotype of the chromosomes can be analyzed.

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