What is the genetic basis for lactose intolerance in humans? A) a change in nucleotide sequence of the lactase gene
B) a change in nucleotide sequence outside of the lactase gene
C) a change in nucleotide sequence of the lactase RNA
D) a change in the amino acid sequence of the lactase enzyme

Match each term to its scientific definition. a)natural world b)scientific method c)theory 1) everything that can be observed or explained scientifically 2) a well-supported explanation of all the evidence related to a natural phenomenon 3) the procedure of scientific inquiry used to investigate natural phenomena