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How is sex determined in human beings?...

How is sex determined in human beings?

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This law states that when a pair of contrasting factors for a character are present together, one dominates over the other. This law is used to explain the expression of only one of the parental characters in a monohybrid cross in the `F_(1)` and the expression of both in the `F_(2)` It also explains the 3:1 ratio of `F_(2)` generation.
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NEW JOYTHI PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATION -PREVIOUS YEAR COMPETITIVE EXAM QUESTIONS
  1. How is sex determined in human beings?

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  2. Epistatic effect in which the dihybrid cross AaBb * AaBb resulting in ...

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  3. Mendel's law of independent assortment can be demonstrated by

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  4. If Mendel had studied the 7 traits using a plant with 12 chromosomes i...

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  5. How many types of genetically different gametes will be produced by he...

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  6. When a plant of F1 generation is crossed with a homozygous dominant pa...

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  7. The ability of a gene to have many effects is called

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  8. The back Cross of F1 hybrid with the recessive parent is called

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  9. Skin colour inheritance in man is

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  10. The blood group is called universal donor.

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  11. The ratio of 1:1:1:1 is obtained from a cross between the parents .

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  12. A cross between F1 hybrid and recessive parent (Tt x tt) gives a ratio

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  13. Pleiotropic gene .

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  14. The process that involves inter-genic suppression or the masking effec...

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  15. Two sister chromatids are attached with the

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  16. Genes are arranged linearly in a chromosome was concluded by the study...

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  17. Crossing over occurs between .

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  18. Chemical composition of chromosome is

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  19. Which pair is a chromosomal aberration?

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  20. Chromosomal aberrations refer to

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  21. Linkage reduces the frequency of

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