TCGA is the answer to your question.
Hope this helps
I would think 15, though I am not quite sure
<span>The most important functions of the skin
are: Regulates body temperature. Prevents loss of essential body
fluids, and penetration of toxic substances. Protection of the body from
harmful effects of the sun and radiation.</span>
A phenotype can adapt based off of the organism's environment.
It can result in mutations or an inability to procreate. For an example, people with down syndrome have one extra chromosome on chromosome 13.