Cystic fibrosis is a hereditary disease. The allele for cystic fibrosis is recessive. What does this mean? .

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geographical equipment to analyze the composition of rocks

What is the most abundant vertebrate on earth?

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation