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Show the monohybrid cross between (RR) a...

Show the monohybrid cross between (RR) and (rr) and write the phenotypic and genotypic ratio of `F_2` generation.

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Why phenotypic and genotypic ratios are not same.

A homozygous tall pea plant with yellow seeds is crossed with a homozygous dwarf plant with green seeds: Give the phenotypic and genotypic ration of F_2 .

In a Mendelian monohybrid cross, the F2 generation shows identical genotypic and phenotypic ratios. What does it tell us about the nature of allelesinvolved?Justify your answer.

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?

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 genotypic ratio of F_2 generation?

Give scientific reasons: Phenotypic and genotypic ratios are different.

Distinguish between: Phentypic Ratio and Genotypic Ratio

Distinguish between: Phenotype and Genotype

Say True or False, if false correct the statement:The phenotypic and genotypic ratios are the same.

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

CHETANA PUBLICATION-HEREDITY AND VARIATION-EXAMPLE
  1. Draw neat and labelled diagrams of the following: Types of RNA

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  2. How do specific traits or characteristics appear in organisms?

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

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

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  5. What are the effects of tobacco consumption?

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

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

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

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  9. Carefully observe your classmate's earlobes.

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

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

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

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

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

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

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  16. What is the use of DNA fingerprinting?

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

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

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

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

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