Variable affecting enzyme function

According to the loco mass the mass of reactants and products

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

What is the term for a water wave that is created by an underwater earthquake