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Principles Of Inheritance And Variation

Question
CBSEENBI12000241

What is aneuploidy ? Give an example.

Solution
Aneuploidy is  the change in chromosome number. It can be either due to loss or gain of chromosomes. Aneuploidy occurs because of non-disjunction of chromosomes during meiosis.

For example - Down's Syndrome in which there is a gain of extra copy of chromosome 21.