Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation2 Marks
Question
What happens when chromatids fail to segregate during cell division cycle? Explain your answer with an example.
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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).
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