title: Modern genetics confirm ancient relationship between fins and  hands.
mesh_terms: D058500:Animal Fins / Q000033:anatomy & histology*; D000818:Animals; D005075:Biological Evolution; D005399:Fishes / Q000033:anatomy & histology* / Q000145:classification* / Q000235:genetics; D005801:Genes, Homeobox / Q000235:genetics*; D006225:Hand / Q000033:anatomy & histology*; D006801:Humans; D010802:Phylogeny; D050436:Regulatory Elements, Transcriptional / Q000235:genetics*