Disomic

So if the organism happens to have monosomic 21, disomic 21, and trisomic 21 cells, would that organism show Down's Syndrome? Thanks for your answer by the way

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... the same type code for the same genetic information? 2. Mosaicism happens if nondisjunction happens during cell division of an embryo. If a normal disomic cell undergoes mitosis, and one of the outcome is a trisomic cell, then the other cell would be monosomic right? So there would be three population ...

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