Leukemia can be treated using human stem cells to attack and destroy cancer cells.
B. Gene. Piebalding is caused by mutant copies of genes.
That easy..............<span>21 one is your technical answer according to todays rules but scientist used to think it was only 20 so 20 would be your answer</span>
Answer:
i don't know if im right but honestly i could be A B or C
Explanation:
but i would say if its humans adapting to the environment and if an animal probably the same thing but maybe A more than C
