title: Ploidy of progeny from different egg size classes of Rana esculenta L.
mesh_terms: D000818:Animals; D001001:Anura; D005260:Female; D005838:Genotype; D006824:Hybridization, Genetic; D008297:Male; D010063:Ovum; D010641:Phenotype; D011003:Ploidies; D011893:Rana esculenta / Q000235:genetics*