In your own words, describe 2 different ways the elements on the periodic table are arranged. be sure to explain the features of your 2 different arrangements in detail

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?