early women who were genetically predisposed to avoid bitter-tasting foods, especially when experiencing nausea during pregnancy, were most likely to survive and contribute their genetically based predispositions to later generations. this best illustrates

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

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

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.