<em>I </em><em>Don't </em><em>No</em><em> </em><em>if </em><em>you </em><em>have </em><em>any </em><em>questions </em>
<span>The genome is all the DNA content that is present within a cell of an organism.
So according to above explanation
</span><span>D. The study of the genomes of organisms ,is the correct answer.</span>
Down syndrome, turner syndrome, Klinefelter syndrome, and fragile X syndrome.