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Genes : sm

Symbol sm
Character size , shape
Chr.No 3
Map 41.8
Name small egg
Explanation Spontaneous;eggs extremely small and almost spherical; sterile lacking proteinaceous yolk sphere within, vitellogenin present in pupal hemolymph but scarcely transported into oocyte: smn(無卵, eggless) homozygotes produce no egg in well developed ovarioles, oocytes degenerated due to abnormal differentiation and function of follicle cells.
Allele smn
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Reference 筑紫・土井良[39-319] ,日蚕雑
Related strains b60, b602, d30, r90
» Show Strain list (4 Strains)