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Which term describes the chromosomal adnormality of having three copies of a single chromosomes?

Which term describes the chromosomal adnormality of having three copies of a single-example-1
User Nemec
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Trisomy is correct!

A trisomy occurs when a diploid cell has three copies of a particular chromosome instead of two.

User Swornabsent
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Trisomy, A trisomy is a chromosomal disorder characterised by an additional chromosome.
User Interactive
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