The molecules that contain instructions for building proteins are <em>B.) DNA molecules</em><em />
DNA consists of molecules called nucloetides. Each nucleotide contains a phosphate group, sugar group, and nitrogen base. There are four bases: cytosine (C), thymine (T), adenine (A), and guanine (G). The order of these bases is what determines the genetic code, or DNA instructions.
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No baby has been born without an X chromosome
Pollution, depletion of resources, and war, for starters.
Think recessive phenotypes as paper and dominant phenotypes as teared paper. Once paper is teared, it can't be fixed. Not even tape. It'll just leave that mess exposed. Same with dominant phenotypes. It just takes one dominant trait to change the looks of future offspring.
If you don't tear the paper, everything is fine. Same with recessive phenotypes. As long as there's no contact with any dominant phenotypes, the looks of future offspring will change.
The answer is C. The Kidneys Filter Drugs Out of the Bloodstream.
