Related by context. Frequent words. (Click for all words.) 63 hermaphrodites 62 reproduce asexually 61 flatworms 61 fruitflies 60 hermaphroditic 60 wolf spiders 59 morphologically 59 gonadal 59 unicellular 58 Xenopus 58 flatworm 58 asexually 58 zygotes 57 Sertoli cells 57 neural crest cells 57 Mammalian 57 haploid 57 Caenorhabditis elegans 56 vertebrate animals 56 germline stem cells 56 spermatogonial stem cells 56 fruitfly 56 larval stages 56 parasitized 55 Anopheles gambiae 55 slime molds 55 pipefish 55 protozoan parasite 55 asexual reproduction 54 mesenchymal stem cells MSCs 54 melanogaster 54 unfertilized 54 diploid 54 methylation patterns 54 midgut 54 coevolution 54 sapiens 54 nematode worms 54 gamete 53 commensal 53 embryonic stem ES 53 mole rats 53 motile 53 imprinted genes 53 reproductively 53 nonhuman primate 53 olfactory receptors 53 Darwin finches 52 echinoderms 52 erectile tissue 52 cone snails 52 platypuses 52 protozoan 52 wolf spider 52 genetically 52 MHC genes 52 parasitoids 52 Wolbachia 52 experimental autoimmune encephalomyelitis 52 neural crest 52 Scientists theorize 52 Fruit flies 52 echidnas 52 sessile 52 sexual dimorphism 52 teratoma 52 Lymphocytes 52 Volvox 52 germline 52 Drosophila melanogaster 52 Candida albicans 52 single celled 52 Parasitic 52 triploid 52 fibroblast cells 52 placental mammals 52 Fibroblasts 52 multicellular organisms 52 protists 52 genetically identical 52 bacterium Escherichia coli 52 parasitic worms 52 autosomal recessive 52 pancreatic tissue 52 multipotent 51 genetically programmed 51 cells hESCs 51 T. gondii 51 hematopoietic cells 51 herpes viruses 51 prairie voles 51 placental tissue 51 HLA genes 51 mammalian 51 procreated 51 chimeras 51 gastrointestinal tracts 51 autosomal 51 rhesus 51 asexual 51 genetically distinct