Answer:
<em>Only one process involves sperm and eggs</em>
When AncestryDNA launched in 2012, we compared your DNA against 22 possible regions. We now have more than 1,500.
This is known as double helix. Nucleotides each have three parts: phosphate, sugar molecule<span>, and one of four </span>bases<span>. The </span>bases<span> include: A, (adenine), g (guanine), t (thymine), c (cytosine). ... </span>Explain why complementary base pairing is necessary to maintain the double helix shape of the DNA molecule<span>.</span>
Displacement is usually the method that is used to measure the volume of a solid with an irregular shape