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Give an account of Down's syndrome....

Give an account of Down's syndrome.

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CHETANA PUBLICATION-INHERITANCE AND VARIATION-Exercise
  1. Give an account of Down's syndrome.

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  2. Phenotypic ratio of incomplete dominance in Mirabilis jalapa.

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  3. In dihybrid cross, F2 generation offsprings show four different phenot...

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  4. A cross between an individual with unkonwn genotype for a trait with r...

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  5. When phenotypic and genotypic ratios are the same, then it is an examp...

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  6. If the centromere is situated near the end of the chromosome, the chro...

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  7. Chromosomal theory of inheritance was proposed by ..........

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  8. If the genes are located in a chromosome as p-q-r-s-t, which of the fo...

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  9. Find the mis match pair :

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  10. A colourblind man maries a woman, who is homozygous for normal colour ...

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  11. Mendel performed experiment on .............

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  12. Which of the follwoing trait is dominant in Pisum sativum?

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  13. A cross between an individual with unkonwn genotype for a trait with r...

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  14. In dihybrid cross, F2 generation offsprings show four different phenot...

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  15. Emasculation is...........

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  16. When phenotypic and genotypic ratios are the same, then it is an examp...

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  17. A pea with yellow and round seeds is crossed with another pea plant wi...

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  18. When a single gene produces two effects and one of it is lethal then t...

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  19. When two genes control a single character and have cumulative effect t...

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  20. Genes located on the same locus but show different expression,

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  21. If the centromere is situated near the end of the chromosome, the chro...

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