EASY
NEET
IMPORTANT
Earn 100
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
50% studentsanswered this correctly
Important Questions on Principles of Inheritance and Variation
HARD
NEET
IMPORTANT
In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates
MEDIUM
NEET
IMPORTANT
A farmer crossed a walnut combed chicken with a single combed one and obtained all walnut combed chickens in . The genotype of the parents was
EASY
NEET
IMPORTANT
When heterozygous red (dominant) flower is crossed with white flower the progeny would be
EASY
NEET
IMPORTANT
A double heterozygous tall plant with yellow colour (colour of cotyledon) is selfed the ratio of dwarf plants with green cotyledon is
Or
Probability of genotype in generation of a dihybrid cross is
EASY
NEET
IMPORTANT
In sweet pea plants the presence of dominant and genes is essential for development of purple colour. The ratio of plants producing flowers of different colours in the progeny of the cross will be
EASY
NEET
IMPORTANT
When a tall and red flowered individual is crossed with a dwarf and white flowered individual, phenotype in the progeny is dwarf and white. What will be the genotype of tall and red flowered individual
Or
Which genotype represents a true dihybrid condition
MEDIUM
NEET
IMPORTANT
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 was produced which had smooth seeds. What would be the relative ratios of the different seed types, if the was allowed to self
EASY
NEET
IMPORTANT
If a plant heterozygous for tallness is selfed, the generation has both tall and dwarf plants. This proves the principle of
Or
When heterozygous tall plants are self-pollinated than tall and dwarf plants are obtained this is explain to
