Second breakpoint of the deficiency is within heterochromatin, it is not specified if this is within the Y or X chromosome heterochromatin of the progenitor. From cytological and genetic criteria the likely order of euchromatin deficiency breakpoints from proximal to distal is Dp(3;1)74 - Dp(3;1)78 - T(Y;3)B81 - Dp(3;1)R14 - Dp(3;1)R10/Dp(3;1)67N - Dp(3;1)67A - Dp(3;1)3.
Limits of break 1 from polytene analysis (citation unavailable) Left limit of break 2 from polytene analysis (FBrf0041494) Right limit of break 2 from polytene analysis (FBrf0044462) Left limit of break 3 from polytene analysis (citation unavailable)
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Related Comments
Phenotypic Data
In combination with other aberrations
NOT in combination with other aberrations
Heterozygotes with Df(3R)B81 display a RpL32 phenotype, small bristles, slightly abnormal wings and 2-3 days delay in hatching.
Second breakpoint of the deficiency is within heterochromatin, it is not specified if this is within the Y or X chromosome heterochromatin of the progenitor. From cytological and genetic criteria the likely order of euchromatin deficiency breakpoints from proximal to distal is Dp(3;1)74 - Dp(3;1)78 - T(Y;3)B81 - Dp(3;1)R14 - Dp(3;1)R10/Dp(3;1)67N - Dp(3;1)67A - Dp(3;1)3.
Limits of break 1 from polytene analysis (citation unavailable) Left limit of break 2 from polytene analysis (FBrf0041494) Right limit of break 2 from polytene analysis (FBrf0044462) Left limit of break 3 from polytene analysis (citation unavailable)