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प्रश्न
State Mendel’s law of Dominance.
उत्तर
Mendel’s law of dominance:
Out of a pair of contrasting characters present together, only one is able to express itself, while the other remains suppressed.
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संबंधित प्रश्न
Appearance of new combinations in F2 generation in a dihybrid cross proves the law of_____________ .
- dominance
- segregation
- independent assortment
- purity of gametes
Dominant character masks the ______________ characters.
Mendel published his work on inheritance of characters in 1865, but it remained unrecognised till 1900. Give three reasons for the delay in accepting his work.
Using a Punnett square, work out the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.
Both the parents contribute equal amount of ____________ material to the offspring
What is a cross in which the inheritance of two pairs of contrasting characters are studied?
An organism with two identical alleles is
It is sometimes observed that the F1 progeny has a phenotype that does not resemble either of the two parents and has an intermediate phenotype. Explain by taking a suitable example and working out the cross upto F2 progeny.
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.
