Recombination, Genetic nonhuman 44 article 40 Animals 30 priority journal 26 controlled study 20 female 18 Female 16 Mutation 16 gene mutation 16 Escherichia coli 14 genetic recombination 14 genetics 14 Hydroxybutyrates 12 Male 12 Polyesters 12 genetic variability 12 male 12 poly(3 hydroxybutyric acid) 12 DNA 10 DNA Primers 10 Phenotype 10 animal 10 nucleotide sequence 10 phenotype 10 Arca 8 Azotobacter 8 Bacteria (microorganisms) 8 Bacterial Outer Membrane Proteins 8 Drosophila melanogaster 8