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.
Notes
Allele	U^Br, U^D, U^M » Show all genes
Reference	橋本[10-359] ,蚕試報
Related strains	k31, w14, w32, n22 » Show Strain list (4 Strains)