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प्रश्न
In Mendel’s experiments, tall pea plants (T) are dominant over dwarf pea plants (t).
What is the phenotypic ratio and genotypic ratio of the above cross in (ii)?
उत्तर
Phenotypic ratio :- 3:1
Genotypic ratio :- 1:2:1
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संबंधित प्रश्न
(a) State and explain the law of dominance as proposed by Mendel.
(b) How would phenotypes of monohybrid F1 and F2 progeny showing incomplete dominance in Snapdragon and co-dominance in human blood group be different from Mendelian monohybrid F1 and F2 progeny? Explain.
Define the term heredity.
Predict the genotype and phenotype of the following cross in pea.
TT x Tt
(Capital letters show dominance)
Give the ratio of phenotype of these crosses.
Identify the percentage of recombinants in F2 generation in the following case.
In Morgan's experiment with Drosophila, the yellow-bodied white-eyed female was crossed with a brown-bodied red-eyed male and their F1 progeny were intercrossed.
What does the progeny of a tall plant with round seeds and a short plant with wrinkled seeds look like?
An organism with two identical alleles is
At which stage, did Mendel observe the segregation of alleles in garden pea plants?
A male plant bearing red flowers was crossed with a female plant bearing yellow flowers. In the F1 generation, all the flowers were orange in colour.
Mention the ratio of red flowers, yellow flowers and orange flowers in the F2 generation.