What is the difference in DNA between parent cell and daughter cells in mitosis and meiosis?

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Number and variety of living organisms includes genetic, species, and ecological types

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.