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प्रश्न
Mention any two contrasting traits with respect to seeds in pea plant that were studied by Mendel.
उत्तर
The contrasting traits with respect to seeds in pea plants are
(i) Seed shape: Seed shape is round (dominant) or wrinkled (recessive).
(ii) Seed colour: Seed colour is yellow (dominant) or green (recessive).
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संबंधित प्रश्न
A cross was carried out between two pea plants showing the contrasting traits of height of the plants. The result of the cross showed 50% parental characters.
(i) Work out the cross with the help of a Punnett square.
(ii) Name the type of the cross carried out.
In a cross between two tall pea plants some of the offsprings produced were dwarf. Show with the help of Punett square how this is possible.
Explain polygenic inheritance pattern with the help of a suitable example.
How would you find genotype of a tall pea plant bearing white flowers? Explain with the help of a cross. Name the type of cross you would use.
A teacher wants his/her students to find the genotype of pea plants bearing purple coloured flowers in their school garden. Name and explain the cross that will make it possible
How many types of genetically different gametes will be produced by a heterozygous plant having genotype AABbCc?
A plant of F1 generation has genotype “AABbCC”. On selfing of this plant, the phenotypic ratio in F2 generation will be ______.
A polygenic trait is controlled by 3 gene A, B and C. In a cress AaBbCc × AaBbCc, the phenotypic ratio of the offspring's was observed as 1 : 6 : × 20 X : 6 : 1 - what is the possible value of X?
Multiple phenotypes is seen in:
For the expression of traits genes provide only the potentiality and the environment provides the opportunity. Comment on the veracity of the statement.