Answer:
Nitrogen
Explanation:
The presence of Nitrogen chemically distinguishes protein from carbohydrate and fat.
Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury. For tissues that are constantly replaced, like blood and skin, stem cells would probably be replaced directly.
Gametes that will be produced are:
YST, YSt, YsT, Yst, yST, ySt, ysT, yst
From YySsTt, it is obvious that as there 3 type of genes.
The number of gametes = = 8
5 genes = = 32 genotypes
10 genes = = 1024 genotypes
20 genes = = 1048576 genotypes
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