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Each somatic cell in an individual with down syndrome contains _____ chromosomes.
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Each somatic cell in an individual with down syndrome contains _____ chromosomes.

User Meztihn
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47 chromosomes. 46 is balanced, 45 is too few (the baby would be stillborn), and 48 is too many. 47, the baby will survive, but will have Down syndrome.
User Anup Yadav
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