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How many contrasting traits Mendel noted...

How many contrasting traits Mendel noted in garden pea?

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Seven.
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Mention any two of the seven contrasting traits noted by Mendel in garden pea.

How do genes control traits?

How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?

How many pairs of contrasting characters in pea pod were chosen by Mendal?

Give the pair of contrasting traits of the following characters in pea plant and mention which is dominant and recessive (i) yellow seed (ii) round seed.

(a) Why did Mendel choose garden pea for his experiments? Write two reasons. (b) List two contrasting visible characters of garden pea Mendel used for his experiment. (c) Explain in brief how Mendel interpreted his results to show that the traits may be dominant or recessive.

A recessive trait in garden pea is

OSWAAL PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATIONS -(TOPIC 2 ) (SEX DETERMINATION AND GENETIC DISORDERS (MULTIPLE CHOICE QUESTIONS ))
  1. How many contrasting traits Mendel noted in garden pea?

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  2. All genes located on the same chromosome :

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  3. Conditions of a karyotype 2n pm 1 and 2n pm 2 are called :

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

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  5. If a genetic disease is transferred from a phenotypically normal but c...

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  6. In sickle cell anaemia glutamic acid is replaced by valine. Which one ...

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  7. Person having genotype I^A IB would show the blood group as AB. This i...

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  8. ZZ/ZW type of sex determination is seen in :

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  9. A Across between two tall plants resulted in offspring having few dwar...

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

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  11. Which of the following will not result in variations among siblings?

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  12. Mendel's Law of independent assortment holds good for genes situated o...

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  13. Occasionally, a single gene may express more than one effect. The phen...

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  14. In a certain taxon of insects some have 17 chromosomes and the others ...

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  15. The inheritance pattern of a gene over generations among humans is stu...

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  16. It is said that Mendel proposed that the factor controlling any charac...

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  17. Two genes 'A' and 'B' are linked. In a dihybrid cross involving these ...

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  18. In the F2 generation of a Mendelian dihybrid cross the number of pheno...

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  19. Mother and father of a person with 'O' blood group have 'A' and 'B' bl...

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