Your scan of Lucy’s ADA gene showed a mutation in the active site. Why was this mutation not a problem? What is the name of this type of mutation?

It's probably a synonymous mutation, a type of point mutation. A synonymous (silent) substitution replaces a codon with another codon that codes for the same amino acid, so that the produced amino acid sequence is not modified

answer; motor (efferent)neurons;

a ratio derived from the equality between two different units that can be used to convert from one unit to the other. information obtained from experiments, sometimes called experimental results. the part of the experiment that is affected by the independent variable.