In any dihybrid cross where both parents are heterozygous for both traits, what is the phenotypic ratio of the offspring? a)1: 1: 1: 1 b)6: 3: 2: 1 c)9: 3: 3: 1 d)12: 4: 3: 1

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.