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Genes : U

Symbol U
Character marking, colour
Chr.No 14
Map 40.5
Name Ursa
Explanation Spontaneous;dorsal and lateral sides of larva covered with dark brown pigments leaving a white longitudinal band above the dorsal vessel; in combination with p, almost white except small black spots on the side of thorax; wavy pattern on the side of abdomen in p2 background: UM(三木ひので, Ursa of Miki) like U, but dilute black Ze- like stripes in combination with p: homozygous UBr(lost) die in fifth instar. See also Di.
Allele UBr, UD, UM
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Reference 橋本[10-359] ,蚕試報
Related strains k31, w14, w32, n22
» Show Strain list (4 Strains)