Argentina genetics article 126 animal 115 Animals 111 classification 92 phylogeny 72 physiology 70 Phylogeny 68 female 67 Female 65 male 63 isolation and purification 62 Male 61 human 57 microbiology 56 Article 50 nonhuman 50 Humans 49 Genetic Variation 44 chemistry 44 genetic variability 43 nucleotide sequence 43 genotype 42 DNA sequence 40 molecular genetics 39 metabolism 38 polymerase chain reaction 37 Sequence Analysis, DNA 36 genetic variation 36