What can be used to determine the relative age of two rocks? a .vertical position
b. radioactive dating of each layer
c. relative age cannot be determined

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.