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Using a Punnet Square, work out the dist...

Using a Punnet Square, work out the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and heterozygous male for a single locus.

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To solve the problem of determining the distribution of phenotypic features in the first filial generation (F1) after a cross between a homozygous female and a heterozygous male for a single locus, we can follow these steps: ### Step-by-Step Solution: 1. **Define the Genotypes**: - Let’s assume that the trait we are studying is height in plants, where: - Tall (T) is the dominant trait. - Dwarf (t) is the recessive trait. ...
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Using a Punnett square, work out the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.

What will be the distribution of phenotypic features in the first generation after a cross between a homozygous female and a heterozygous male for a single locus ?

Two heterozygous parents are crossed. If the two loci are linked, what would be the distribution of phenotypic features in F_1 generation for a dihybrid cross?

Two parents having two loci incompletely linked and heterozygous in nature are crossed. What would be the distribution of phenotypic feature in the F_2 generation ?

In rabbit black skin (B) is dominant over brown skin (b) and short hair (S) is dominant over long hair (s). If homozygous black-short haired male is ceossed with a homozygous brown-long haired female. All F_(1)- offspring are heterozygous black-short haired. F_(1) male crossed with F_(1) female. In F_(2) generation what is the percentage of homozyhous black-short haired offspring :-

A true breeding homozygous pea plant with green pods and axial flowers as dominant characters, crossed with a recessive homozygous pea plant with yellow pods and terminal flowers. Work out the cross upto F_2 generation giving the phenotypic ratios of F_1 and F_2 generation respectively. (b) State the Mendelian principle which can be derived from such a cross and not from monohybird cross.

ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-MULTIPLE CHOICE QUESTION
  1. Using a Punnet Square, work out the distribution of phenotypic feature...

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  2. The genetic ratio of 9:3:3:1 is due to:

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  3. Choose the chromosome, in a human, that possesses least number of gene...

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  4. G. J. Mendel was a:

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  5. Select the incorrect match.

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  6. In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that:

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  7. A monohybrid cross produced tall and dwarf pea plants in ratio of 3:1....

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  8. Common test to find genotype of hybrid is by:

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  9. Which one is a test cross?

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  10. Mating of an organism to a double recessive in order to determine whet...

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  11. A cross between two tall plants resulted in offspring having few dwarf...

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  12. The term genetics was proposed by:

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  13. The F2 genotypic ratio of monohybrid cross is:

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  14. A dihybrid for qualitative trait is crossed with homozygous recessive ...

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  15. In order to find out the different types of gametes produced by a pea ...

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  16. The autosomal disorder/disease in humans is:

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  17. Distance between the genes and percentage of recombination shows:

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  18. In Mirabilis jalapa, the number of F2 red flowered plants in a cross ...

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  19. In pea plants, yellow seeds are dominant to green. If a heterozygous y...

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  20. Which of the following is best suited for codominance?

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  21. Incomplete dominance is shown by:

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