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Recessive character is lost in the F1 ge...

Recessive character is lost in the `F_1` generation.

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A tobacco plant heterozygous for recessive character is self-pollinated and 1200 seeds are subsequently germinated. How many seedings would have the parental genotype ?

Correct the statements if required, by changing the underlined protions only Mendel's law of segregation is based on transmission characters F_1 generation.

Fill up the blank Transfer of sex-linked recessive character from father to grandson through daughter is called ________ inheritance.

Pure tall plants are crossed with pure dwarf plants . In the F_1 - generation , all plants were tall . These tall plants of F_1 -generation were selfed and the ratio of tall to dwarf plants obtained was 3 : 1 . This is called :

The 1 : 2 : 1 ratio with the pink flower in the F_2 generation indicate the phenomenon of :

If a cross between two individuals produce offspring with 50% dominant character (A) and 50% recessive character (a) the genotype of parents are:

The phenotypic ratio in the F_2 generation of dihybrid cross is :

The character which predominates and clearly seen in F_1 generation is

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  1. The principles behind inheritance is called heredity.

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  2. The differences in phenotype of organisms due to the effect of environ...

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  3. Recessive character is lost in the F1 generation.

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  4. Gregor Mendel is called father of genetics.

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  5. Quantitative traits are monogenic.

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  6. Law of purity of gamete was derived from dihybrid cross.

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  7. The checker board used to determine the genotypes of offspring is call...

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  8. Back cross is a test for genotype of an organism with dominant phenoty...

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  9. Phenotypic ratio and genotypic ratio are the same in case of multiple ...

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  10. ABO blood group of humans is a case of quantitative inheritance.

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  11. Mention the advantages of selecting pea plant for experiment by Mendel...

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  12. Explain the law of dominance using a monohybrid cross.

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  13. Define and design a test-cross.

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  14. Using a Punnett square, work out the distribution of phenotypic featur...

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  15. When a cross is made between tall plant with yellow seeds(TtYy) and ta...

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  16. Briefly mention the contribution of T.H. Morgan in genetics.

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  17. What is pedigree analysis ? Suggest how such an analysis can be useful...

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  18. How is sex determined in human beings ?

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  19. A child has blood group O. If the father has blood group A and mother ...

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  20. Write notes: Incomplete dominance

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