noun
- Plural of aneuploidy; conditions in which an organism has an abnormal number of chromosomes, not a multiple of the haploid number.
Usage: technical; genetics; medical
Examples
- Down syndrome and Turner syndrome are examples of aneuploidies in humans.
- Aneuploidies often result from errors during meiosis or mitosis.
- Many aneuploidies are incompatible with life and result in miscarriage.
- Genetic counselors help families understand the risks of aneuploidies.
- Prenatal screening can detect certain aneuploidies early in pregnancy.
- Aneuploidies are more common in offspring of older mothers.