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XO chromosomal abnormality in humans cau...

XO chromosomal abnormality in humans causes

A

Turner's syndrome

B

Down's syndrome

C

Darwin's syndrome

D

Klinefelter's syndrome

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The correct Answer is:
A
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ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-COMPETITION CORNER (OBJECTIVE TYPE QUESTIONS (MULTIPLE CHOICE QUESTIONS))
  1. The gene, which controls many characters is called

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  2. The phenotypic ratio in the F2 generation of dihybrid cross is

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  3. XO chromosomal abnormality in humans causes

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  4. Which of the following is not related to sex chromosome X or Y?

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  5. The genotype of a plant showing the dominant phenotype can be determin...

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  6. Which one of the following cannot be explained on the basis of Mendel'...

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  7. Select the correct statement from the ones given below with respect to...

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  8. Inheritance of flower colour is an example of incomplete dominance, wh...

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  9. The graphical representation to calculate the probability of all possi...

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  10. The F2 genotypic ratio of monohybrid cross is

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  11. Heterozygous tall plant is crossed with a homozygous dwarf plant then ...

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  12. To determine heterozygosity of a cross, one has to perform a) Backcros...

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  13. Testcross is a cross between a) Hybrid x Dominant parent b) Hybrid x ...

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  14. Which of the following is not a Mendelian disorder?

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  15. Given below is a sample of a portion of DNA strand giving the base seq...

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  16. Which one of the following conditions correctly describes the manner o...

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  17. When two unrelated individuals or lines are crossed, the performance o...

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  18. Mutations can be induced with

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  19. A person with unknown blood group under ABO system, has suffered much ...

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  20. How many pairs of contrasting characters in pea plants were studied by...

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