Question
What is aneuploidy? Differentiate between trisomic and triploid condition? Name any one trisomic condition found in human.
✓
Answer
Aneuploidy is a phenomenon which occurs due to non–disjunction resulting into gain or loss of one or more chromosomes during meiosis.
| S. No. | Trisomic condition | Triploid condition |
| (i) | This occurs when a chromosome occurs in three copies in a diploid cell. | This occurs when a cell contains three sets of chromosomes. |
Trisomic condition in human: Down’s syndrome.
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