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

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asked Sep 10, 2017 144k views

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Nathan Lachenmyer · Answer 1 · 2017-09-17T08:15:13+0000

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.

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

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