How do changes occur in a population over time?

Differentiation of cells changes the nucleic information. true false

Study this image which statement best describes the rock shown check all that apply

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?