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Drosophila flies with XXY genotype are f...

Drosophila flies with XXY genotype are females, but human beings with such genotype are abnormal males. It shows that

A

Y-chromosome is essential for sex detrmination in Drosophila

B

Y-chromosome is female determining in Drosophila

C

Y-chromosome is male determining in human beings

D

Y- chromosome has no role in sex determination either in Drosophila or in human beings

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The correct Answer is:
C
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ARIHANT NEET-CHROMOSOMAL BASIS OF INHERITANCE-Chapter Exercises A Taking it together (Assorted Questions of the Chapter for Advanced level Practice )
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  2. Different species of rhododenron have somatic chromosome numbers of 26...

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  3. Drosophila flies with XXY genotype are females, but human beings with ...

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  4. According to Morgan, when the two genes in a dihybrid cross were situa...

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  5. Which of the following genetic events represents a case of incomplete ...

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  6. In tomato, three pairs of genes are located on a chromosome of these e...

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  7. When the dominant alleles or wild type say AB are present on one chrom...

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  8. Suppose that a female undergoes sex reversal to become a functional ma...

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  9. In a cross in Drosophila, the heterozygous animal with grey body (b+) ...

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  10. The loci of genes A and B are on different chromosomes. A dihybrid aut...

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  11. In Drosophila, red- eyed colour is dominant to white and is sex- linke...

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  12. In a linear chromosome map, distances between 4 loci is as follows, a-...

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  13. In rabbit, two recessive genes produce a solid body colour and long ha...

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  14. According to Chromosome theory of linkage of morgan and castle(1912)

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  15. Drosophila is used in genetic studies because

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  16. If gene grequency between genes a and b 15%, c and d 19%. What will be...

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  17. Eye colour in fruitfly is a sex-linked trait and the cross between whi...

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  18. Mirabilis, normal leaves (a) and variegated leaves (b) colour occur in...

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  19. Offsprings resemble their parents but are not exactly like them. This ...

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  20. If a plant were trisomic for one of its chromosomes and these chromoso...

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