A broken section of Earth's outermost layer that slowly moves while carrying continental or oceanic crust

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

What occurs to the cell during mitosis

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.