title: Family relationships are a biological conundrum.
authors.forename: R
authors.initials: R
authors.lastname: Lewin
mesh_terms: D000818:Animals; D005075:Biological Evolution; D004247:DNA / Q000235:genetics; D005796:Genes; D005914:Globins / Q000235:genetics; D015186:Hominidae / Q000145:classification* / Q000235:genetics; D006801:Humans
chemical_list: D005914:Globins; D004247:DNA