Class 12 Biology Principles of Inheritance and Variation Linkage and recombination

Medium

When two genes are situated very close to each other on a chromosome:

AIIMS 1980 All AIIMS

A
The percentage of crossing over between them is very high.
B
Hardly any crossing over is detected.
C
No crossing over can take place between them.
D
Only double cross overs can take place between them.

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Class 12 Questions

Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Linkage and recombination

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AIIMS 1980 Paper All AIIMS years →

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In which of the following is the phenomenon of crossing over $NOT$ observed?

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