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14-06-2016
Biology

Answered

Down syndrome is an example of trisomy. How many chromosomes will each cell of an individual have in Down syndrome?

46 chromosomes

47 chromosomes

45 chromosomes

Verified Answer :

23-08-2017

47 chromosomes is the correct answer. Humans have 23 pairs of chromosomes, making 46 chromosomes in total. Down's syndrome is the addition of an extra chromosome on chromosome 21, leading to an uneven number.

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