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In a testcross involving "F"(1) dihybrid...

In a testcross involving `"F"_(1)` dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates:

A

Both of the characters are controlled by more than one gene

B

The two genes are located on two difference chromosomes

C

Chromosomes failed to separate during meiosis

D

The two genes are linked and present on the same chromosome

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The correct Answer is:
D
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AAKASH INSTITUTE-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-C) Previous Years Questions
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  2. If a colour blind man marries a woman who is homozygous for normal col...

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  3. In a testcross involving "F"(1) dihybrid flies, more parental-type off...

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  4. Which of the following most appropriately describes haemophilia ?

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  5. A tall true breeding garden pea plant is crossed with a dwarf true bre...

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  6. Match the terms in Column I with their description in Column II and ch...

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  8. A colour blind man marries a woman with normal sight who has no histor...

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  9. the term 'linkage' was coined by :

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  10. A pleiotropic gene:

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  11. In his classic experiment on Pea plants, Mendel did not use

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  12. A gene showing codominance has:

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  13. In the following human pedigree, the filled symbols represent the affe...

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  14. Alleles are:

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  15. The movement of a gene from one linkage group to an other is called

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  16. Multiple alleles are present:

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  17. An abnormal human baby with XXX sex chromosomes was born due to

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

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  19. Fruit colour in squash is an example of

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  20. A man whose father was colour blind marries a woman who has a colour b...

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