3 years ago

Down syndrome is a condition in which the individual

1 answer:

4 0

Has one extra chromosome in each cell (i.e 47 instead of 4.6). This is caused by one of the cell divisions during the formation of sex cells. Basically, the 21st chromosome ends up with 3 chromatids instead of 2. This is also why down syndrome is called trisomy 21.

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<h3>What is a population?</h3>

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Learn more about population at: brainly.com/question/746835

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