Question
What happens when chromatids fail to segregate during cell division cycle? Explain your answer with an example.
✓
Answer
When chromatids fail to segregate all division cycle it leds to mutation or aneuploidy occurs. This can cause chromosomal disorder in humans. Like down's syndrome (trisomy of 21st chromosome) and Klinefelter's syndrome (presence of an additional copy of Xchromosome resulting in the karyotype of 47, XXY in males or XXX in females).
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Name the blank spaces a, b, c and d in the table given below:
| S. No. | Name of the drug | Plant source | Organ system affected |
| (i) | a | Poppy plant | b |
| (ii) | Marijuana | c | d |
Write a brief note on coral reef.
What would happen when one grows a recombinant bacterium in a bioreactor but forget to add antibiotic to the medium in which the recombinant is growing?
Explain how a hereditary disease can be corrected. Give an example of first successful attempt made towards correction of such diseases.
Mention the effects of smoking on human health
The figure below shows the relative contribution of four greenhouse gases to global warming:
- Identify the gases A and C.
- Why are these four gases called the greenhouse gases?
Explain mechanism of pollination by water in fresh water plants.###Explain mechanism of pollination by water in Vallisneria.
Define spermiogenesis and spermiation.
Banana is a parthenocarpic fruit whereas oranges show polyembryony. How are they different from each other with respect to seeds?
Why invasion of alien species causes decline or extinction of indigenous species ?