title: Sex and polymorphism as strategies in host-pathogen interactions.
mesh_terms: D000483:Alleles; D000818:Animals; D005075:Biological Evolution; D004262:DNA Restriction Enzymes / Q000378:metabolism; D004279:DNA, Viral / Q000378:metabolism; D005787:Gene Frequency; D006649:Histocompatibility Antigens; D006790:Host-Parasite Interactions; D006801:Humans; D007109:Immunity; D008297:Male; D008957:Models, Genetic; D009975:Orthomyxoviridae / Q000235:genetics; D010944:Plants / Q000235:genetics; D011110:Polymorphism, Genetic; D012641:Selection, Genetic; D012723:Sex; D013094:Spermatozoa
chemical_list: D004279:DNA, Viral; D006649:Histocompatibility Antigens; D004262:DNA Restriction Enzymes