Half-life is<span> the term for the amount of time it takes 50% of an element to decay</span>
Answer:
Because natural selection selects for it. Thus it persists.
Explanation:
You have to understand heterozygote advantage. Basically, it's where heterozygotes have an advantage over homozygotes. In the case of sickle cell disease, heterozygotes have an advantage, and natural selection favors whatever is advantageous. Thus, because heterozygotes each have one recessive sickle-cell allele, as natural selection favors the heterozygotes, the recessive sickle-cell allele persists and remains in the gene pool.
Answer:
D. Making gametes technically isnt asexual reproduction because the offspring arent exact copies.
Explanation:
Mitosis is what replaces dead/ dying cells and repair injuries