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प्रश्न
Choose the correct answer:
If a pea plant with round seeds is selfed and the offspring are in the ratio 3:1, then the plant is _________
विकल्प
homozygous
heterozygous
both
none of these
उत्तर
If a pea plant with round seeds is selfed and the offspring are in the ratio 3:1, then the plant is heterozygous
APPEARS IN
संबंधित प्रश्न
A homozygous tall plant (T) bearing red coloured (R) flowers is crossed with a homozygous dwarf (t) plant bearing white (r) flowers :-
(i) Give the genotype and phenotype of the plants of F1 generation.
(ii) Mention the possible combinations of the gametes that can be obtained from the F1 hybrid plant.
(iii) State the Mendel’s law of Independent Assortment.
(iv) Mention the phenotypes of the off springs obtained in F2 generation.
(v) What is the phenotypic ratio obtained in F2 generation?
Choose the correct answer:
If a homozygous tall plant is crossed with a heterozygous tall plant, the proportion of tall progeny would be ____________
Choose the correct answer:
The allele which masks the effect of its complement is _______
Given below is a schematic diagram showing Mendel’s Experiment on sweet pea plants having axial flowers with round seeds (AARR) and Terminal flowers with wrinkled seeds (aarr). Study the same and answer the questions that follow :
(i) Give the phenotype of F1 progeny.
(ii) Give the phenotypes of F2 progeny produced upon by the self-pollination of F1 progeny.
(iii) Give the phenotypic ratio of F2 progeny.
(iv) Name and explain the law induced by Mendel on the basis of the above observation.
Multiple Choice Question
Who among the following is called father of genetics?
Flowers of the garden pea are bisexual and self-pollinated. Therefore, it is difficult to perform a hybridization experiment by crossing a particular pistil with the specific pollen grains. How Mendel made it possible in his monohybrid and dihybrid crosses?
______ pairs of contrasting characters in pea plants were studied by Mendel in his experiments.
Mendel studied interitance of seven pairs of traits in pea which can have 21 possible combinations. If you are told that in one of these combinations, independent assortment is not observed in later studies, your reaction will be.
Why did Mendel choose pea plant for his experiments?
Which one of the following cannot be explained on the basis of Mendel’s Law of Dominance?
