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Why did the characteristic of the Rounde...

Why did the characteristic of the Rounded-Yellow seeds alone appear in the `F_1` generation but not the characteristic of the wrinkled-green seeds?

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Answer the following question What are F_1 and F_2 generations? Why are genotypic and phenotypic ratios different in these generations?

Phenotypic ratio (of dihybrid cross between round yellow seed and wrinkled green seed): : Round - Yellow: Genotypic ratio (of dihybrid cross between round yellow seed and wrinkled green seed) Wrinkled -Green:

Phenotypic ratio (of dihybrid cross between round yellow seed and wrinkled green seed):: Round - Yellow: Genotypic ratio (of dihybrid cross between round yellow seed and wrinkled green seed) Wrinkled - Yellow:

Phenotypic ratio (of dihybrid cross between round yellow seed and wrinkled green seed):: Round - Yellow: Genotypic ratio (of dihybrid cross between round yellow seed and wrinkled green seed) Round-Green:

Phenotypic ratio (of dihybrid cross between round yellow seed and wrinkled green seed): Round - Yellow: Genotypic ratio (of dihybrid cross between round yellow seed and wrinkled green seed)

Questions based on paragraph A geneticist made a cross between two pea plants having axillary flowers (AA) and round shaped seeds (RR) with plants having terminal flowers (aa) and wrinkled seeds (rr). In F_1 generation, he obtained plants with axillary flowers and round shaped seeds. But in F_2 generation, he obtained new combinations along with parental combinations. Write the gametes formed by the individual in F_1 generation.

Questions based on paragraph A geneticist made a cross between two pea plants having axillary flowers (AA) and round shaped seeds (RR) with plants having terminal flowers (aa) and wrinkled seeds (rr). In F_1 generation, he obtained plants with axillary flowers and round shaped seeds. But in F generation, he obtained new combinations along with parental combinations. Mention the genotype of plants in F_2 generation obtained by geneticist.

Questions based on paragraph A geneticist made a cross between two pea plants having axillary flowers (AA) and round shaped seeds (RR) with plants having terminal flowers (aa) and wrinkled seeds (rr). In F_1 generation, he obtained plants with axillary flowers and round shaped seeds. But in F generation, he obtained new combinations along with parental combinations. Write the phenotypic ratio of F_2 generation?

CHETANA PUBLICATION-HEREDITY AND VARIATION-EXAMPLE
  1. How do specific traits or characteristics appear in organisms?

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  2. Show the monohybrid cross between (RR) and (rr) and write the phenotyp...

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  3. Why did the characteristic of the Rounded-Yellow seeds alone appear in...

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  4. What are the effects of tobacco consumption?

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  5. Is it right to avoid living with a person suffering from genetic disor...

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  6. Why is it necessary for people to have their blood examined before mar...

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  7. Do all boys and girls of your class look alike?

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  8. Carefully observe your classmate's earlobes.

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  9. Irrespective of all of us being humans, what difference do you notice ...

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  10. All of you are in std. IX. Why then are some students tall and some sh...

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  11. Explain Mendel's monohybrid progeny with the help of any one cross.

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  12. Explain Mendel's dihybrid ratio with the help of any one cross.

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  13. What is meant by chromosome? Explain its types.

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  14. Describe the structure of DNA molecule as proposed by Watson and Crick...

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  15. What is the use of DNA fingerprinting?

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  16. Explain the structure, function and types of RNA.

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  17. Find the odd man out: Axillary flower, green pod, green seed, inflat...

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  18. Find the odd man out: Constricted pod, purple flower, axillary flowe...

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  19. Find the odd man out: Green seeds, wrinkled seeds, terminal flower, ...

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  20. Find the odd man out: Attached ear lobes, brown and straight hair, ...

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