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In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seed plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F1 generation?

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Important Questions on Classical Genetics

HARD
12th Tamil Nadu Board
IMPORTANT
When a single gene produces two effects and one of it is lethal, then the ratio is
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Explain Co-dominance with an example.
MEDIUM
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IMPORTANT
Explain Incomplete dominance with an example.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
In a Mendelian monohybrid cross, the F2 generation shows identical genotypic and phenotypic ratios. What does it tell us about the nature of alleles involved? Justify your answer.
HARD
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IMPORTANT
Can a child have blood group O if his parents have blood group 'A' and 'B'? Explain.
HARD
12th Tamil Nadu Board
IMPORTANT
A plant with red flowers was crossed with another plant with yellow flowers. If Fshowed all flowers orange in colour, explain the inheritance.
HARD
12th Tamil Nadu Board
IMPORTANT
With the help of an example, differentiate between incomplete dominance and codominance.
EASY
12th Tamil Nadu Board
IMPORTANT
Define Co-dominance.