Another name for the genetic disorder down syndrome is Trisomy 21.
They are identical because they are made up of the same materials. we had one cell to begin with, and it didn't so much as clone itself, but split in half to creat 2 daughter cells. ther have the same plasma, same organelles, and most importantly, the same dna in their chromosomes so that when they grow, they grow exactly the same way.
Answer:
the answer is D look at your periodic table for more understanding
Yes it is sense the older you get your blood flow increases and it's not able to clot.
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The combination of DNA and proteins in chromosomes is called chromatin. During cell division, each chromosome divides to form two strands called chromatids, each of which contains a long, linear DNA double helix in its chromatin.
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