(17) Differences in phenotype are called variations. Which ofthe following types of variations occur?
(A) harmful (B) neutral
(C) helpful (D) all of the above
(24) An Organism's Phenotype refers to its:
(A) genetic composition (B) physical traits
(C) both genetic compositions or its physical traits (D) neitherits genetic composition or its physical traits
(25) In Mendelian genetics,_____allele(s) determine theproduction of a particular physical trait (or characteristics).
(A) one (B) two
(C) three (D) four