Related by context. Frequent words. (Click for all words.) 55 haploid 55 recessive genes 55 herpes viruses 55 S. cerevisiae 54 clades 54 autosomal 54 simian immunodeficiency virus 53 PCV2 53 RNA viruses 53 genetic variability 53 rDNA 53 virions 53 mice lacking 53 coronaviruses 53 diploid 53 Y. pestis 53 glycosylated 53 chimeric 53 Xenopus 53 corona virus 52 Vibrio cholerae 52 amino acid sequences 52 mAbs 52 HLA genes 52 heterozygous 52 virulent strains 52 maternal antibodies 52 staphylococci 52 transgenes 52 methylation patterns 51 poxvirus 51 haplotypes 51 phages 51 RNA sequences 51 T. gondii 51 transgenic mouse model 51 teratoma 51 alleles 51 mutant strains 51 placental mammals 51 lentivirus 51 mutant strain 51 BVDV 51 erythrocytes 50 nucleotide sequence 50 pDCs 50 heterosis 50 rhesus 50 lineages 50 undifferentiated cells 50 Toxoplasma 50 avian flu viruses 50 PCR assay 50 Prions 50 influenzas 50 mycobacteria 50 Wolbachia 50 Neisseria meningitidis 50 IGF2 50 polymerases 50 iPSC 50 murine 50 transgene 50 medulloblastomas 50 avian viruses 50 viral antigens 50 mitochondrial genome 50 mtDNA 50 defensins 49 Anopheles gambiae 49 imprinted genes 49 mycoplasma 49 VLPs 49 morphologically 49 transgenic mice 49 symbiont 49 enteroviruses 49 C. albicans 49 Swine influenza 49 Saccharomyces cerevisiae 49 seasonal influenza viruses 49 neural crest 49 avian influenza viruses 49 genomic sequence 49 prion proteins 49 hematopoietic cells 49 meningococcus 49 overexpressing 49 valine 49 Salmonella Typhimurium 49 genetic ancestry 49 NKT cells 48 Bacillus subtilis 48 bacterial pathogen 48 gene sequences 48 Salmonella typhimurium 48 ribonucleic acid RNA 48 tRNAs 48 HeLa cells 48 nonhuman primate 48 mononuclear cells