The correct nomenclature for Down’s syndrome with translocation of chromosome 14 to chromosome 21 is depicted as______________?
- 47 X Y, -14 t(14;21)
- 46 X Y, -14 t(14;21)
- 47 X &, (+2)
- 47 X Y, t(14;21)
Explanation
The correct nomenclature for Down’s syndrome with translocation of chromosome 14 to chromosome 21 is depicted as 47 X Y, t(14;21)
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A Robertsonian translocation can result in trisomy 14 or trisomy 21.
The acrocentric chromosomes include chromosomes 13, 14, 15, 21, and 22
Trisomy 21 is also known as Down syndrome
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ND11-12-2022
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