Answer:
Genes are made up of DNA.. DNA is the molecule that is the hereditary material in all living cells. The color of your hair,skin,eyes etc,, are all controlled in part by your genetic information
Explanation:
In biology, histones are highly alkaline proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. They are the chief protein components<span> of </span>chromatin<span>, acting as spools around which DNA winds, and playing a role in </span>gene regulation<span>.</span>
Answer:
There are four bases in DNA, and they combine in a specific way. Adenine pairs with thymine, and guanine pairs with cytosine.
Explanation:
A large asteroid or comet impacted the earth.
