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In Drosphila he XXY condition leads to f...

In Drosphila he XXY condition leads to femaleeness whereas in human beings the same condition leads to Klienfelter's syndrome in male. It proves

A

In human beings , Y choromosome is active in sex chromosome

B

Y choromosome is active in sex determination in both human beings and Drosophila

C

In Drosophila, Y choromosome decides femaleness

D

Y chromosome of man has genes for syndrome

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A
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AAKASH INSTITUTE-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
  1. According to mendeslim which character is showing dominance:

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  2. Due to the cross between "TTRr" xx "ttrr" the resultant progenies show...

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  3. In Drosphila he XXY condition leads to femaleeness whereas in human be...

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  4. Independent assortment of genes does not take place when:

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  5. Mendel obtained wrinkled seeds in pea due to deposition of sugars inst...

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  6. Ratio of complementary genes is

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  7. When both alleles express their effect on being present together, the ...

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  8. A and B genes are linked .what shall be genotype of progeny in a cross...

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  9. Probability of four sons to a couple is :

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  10. If recombination frequency between AB genes a 20% and BC gene is 40% a...

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  11. Male XX and female XY sometime occur due to :

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  12. Number of Barr bodies in XXXX female would be

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  13. Inheritance would be extranuclear in case of

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  14. Which of the following is correct match ?

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  15. How many genomes are present in a typical green plant cell?

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  16. Which of the following is the example of sex-linked disease?

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  17. Which of the following is an example of pleiotropy ?

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  18. A gene is said to be dominant if

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  19. On selfing a plant of F(1)-generation with genotype "AABbCC", the geno...

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  20. A diseased man marries a normal woman.They get three daughters and fiv...

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