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单词 mating type
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> as lemmas

mating type
mating type n. Biology a strain of an organism, esp. a fungus or protozoan, that can undergo conjugation and sexual reproduction only with another, genetically distinct, strain of the same species.
ΚΠ
1938 T. M. Sonneborn in Proc. Amer. Philos. Soc. 89 412 As conjugation takes place usually or only between individuals of diverse types, these types will be referred to as mating types.
1984 J. W. Deacon Introd. Mod. Mycol. (ed. 2) viii. 117 In several members of the Zygomycotina..there are two mating types, designated ‘+’ and ‘−’, which are determined by two alleles at a single gene locus.
1992 New Scientist 7 Mar. 35/1 Robert Ulrich,..studying mating-type regions in the basidiomycete Schizophyllum commune, reported that the polypeptide products from some of the mating-type genes probably regulate the action of other genes.
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