Answer:
1st one
Explanation:
DNA replace the old cells
Nucleotides are the monomers in both DNA and RNA
<span>There are several instance today of how science can be used to make decisions. One very good example is forensic determination of a baby paternity. In a situation where there is controversy over the paternity of a child, DNA analysis can be used to determine the true father of a child.</span><span />
A. All humans are the same species. <span />
