Explain why hair is a derived character for clade mammalia but having four limbs is not. for which clade is four limbs a derived character?

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.

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2