<span>Example of Trisomy 21 detected</span>... <span>the presence , which is found in Down syndrome, is calledtrisomy 21.</span> ... <span>Of these, Trisomy 21 and Trisomy 18 are the most common.</span> ... <span>XXX (Triple X syndrome); XXY (Klinefelter syndrome); XYY</span> ... <span>Turner syndrome (XO).
so i think all are right</span>
<span>Rganelles is a term that used by it means - the component in cell as example nucleus,cell wall,cytoplasm...and many more....that have function in cell</span>
The awnser is b there is a mutation in the gene
