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A female fruit fly heterozygous for sex ...

A female fruit fly heterozygous for sex linked genes is mated with normal male fruit fly. The male specific chromosome will enter the egg cells in proportion of

A

`3:1`

B

`7:1`

C

`1:1`

D

`2:1`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
  1. Polygenic genes show :-

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  2. Foetal sex can be determined by examining cells from the amniotic flui...

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  3. A female fruit fly heterozygous for sex linked genes is mated with nor...

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  4. Genetic identity of a human male is determined by

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  5. Different forms of a gene located at the same locus of chromosomes a...

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  6. After crossing two plants, the progenies are found to be male sterile....

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  7. Albinism is known to be due to an autosomal recessive mutation. The fi...

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  8. How many types of genetically different gametes will be produced by a ...

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  9. When a single gene influences more then one trait it is called

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  10. Mental retardation in man, associated with sex chromosomal abnormality...

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  11. Loss of an X-chromosome in a particular cell, during its development, ...

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  12. If Mandel had studied 7 traits using a plant with 12 chromosomes inste...

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  13. A woman with two genes one for haemophilia and one for colour blindnes...

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  14. In human beings, multiple genes are involved in the inheritance of:

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  15. Haemophilic man marries a normal woman. Their offspring will be

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  16. A marriage between normal visioned man and colour blind woman will pr...

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  17. In hybridization "Tt" xx "tt" gives rise to the progeny in the ratio ?

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  18. According to mendeslim which character is showing dominance:

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

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  20. In Drosophilia the XXY condition leads to femaleness whereas in human ...

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