Which factors during meiosis provide the most significant contributions to genetic diversity? structure of the spindle fibers in the sister chromatids retention of two sister chromatids in the daughter cells crossing over and two possible orientations of each homologous pair development of haploid nuclei and cytoplasm division during cytokinesis

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.