Your three blood cell types have different sizes, shapes, and functions. Yet they all started out alike. Within each cell of your body there are , which give the instructions for cell processes

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?