Some pure black mice were mistakenly mixed with hybrid black mice. The quickest way to discover whether one individual black mouse is pure is
Some pure black mice were mistakenly mixed with hybrid black mice. The quickest way to discover whether one individual black mouse is pure is
- A
To cross it with pure black mouse and all the offsprings must be black
- B
To cross it with a brown mouse and all the offsprings must be black
- C
To cross it with a known hybrid black mouse and all the offsprings must be black or brown mice in equal numbers
- D
To cross it with a pure brown mouse and all the offsprings must be black or brown in equal numbers
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Normal maize has starchy seeds which remain smooth when dry. A mutant form has sugary seeds which go crinckled when dry. When a mutant was crossed with a normal plant, an $F_1$ was produced which had smooth seeds. What would be the relative ratios of the different seed types, if the $F_1$ was allowed to self
Normal maize has starchy seeds which remain smooth when dry. A mutant form has sugary seeds which go crinckled when dry. When a mutant was crossed with a normal plant, an $F_1$ was produced which had smooth seeds. What would be the relative ratios of the different seed types, if the $F_1$ was allowed to self
- [AIIMS 1993]
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