Mendel crossed a pure white-flowered recessive pea plant with a dominant pure red-flowered plant. The first generation of hybrids from the cross should show
Mendel crossed a pure white-flowered recessive pea plant with a dominant pure red-flowered plant. The first generation of hybrids from the cross should show
- A
$50\%$ white-flowered and $50\%$ red-flowered plants
- B
All red-flowered plants
- C
$75\%$ red-flowered and $25\%$ white-flowered plants
- D
All white-flowered plants
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If dwarf pea plant was treated with Gibberellic acid, it grew as tall as the pure tall pea plant. If this treated plant is crossed with a pure tall plant then the phenotypic ratio of is likely to be
If dwarf pea plant was treated with Gibberellic acid, it grew as tall as the pure tall pea plant. If this treated plant is crossed with a pure tall plant then the phenotypic ratio of is likely to be
- [AIIMS 1980]
Explain low of Multiple Alleles / Dominance and law of segregation.
Explain low of Multiple Alleles / Dominance and law of segregation.
Punnet square is a representation to calculate
Punnet square is a representation to calculate
Hybrid breakdown refers to the condition when offspring are physiologically inferior to the following generation
Hybrid breakdown refers to the condition when offspring are physiologically inferior to the following generation
In a monohybrid cross of plants with red and white flowered plants, Mendel got only red flowered plants. On self-pollinating these $F_1$ plants got both red and white flowered plants in $3:1$ ratio. Explain the basis of using $RR$ and $rr$ symbols to represent the geno type of plants of parental generation.
In a monohybrid cross of plants with red and white flowered plants, Mendel got only red flowered plants. On self-pollinating these $F_1$ plants got both red and white flowered plants in $3:1$ ratio. Explain the basis of using $RR$ and $rr$ symbols to represent the geno type of plants of parental generation.