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[A]: The two members of a gene pair segr...

[A]: The two members of a gene pair segre- gate from each other into the gametes.
[R]: During gametogenesis, the segregation of one gene pair is independent of other gene pair.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • When two genes are situated very close to each other in a chromosome then

    A
    the percentage of crossing over between them is very high
    B
    hardly any cross over are detected
    C
    no crossing over can take place between them
    D
    only double cross overs can take place between them

  • When two genes are situated very close to each other in a chromosome then

    A
    the percentage of crossing over between them is very high
    B
    hardly any cross over are detected
    C
    no crossing over can take place between them
    D
    only double cross overs can take place between them

  • To draw a pair of tangents to a circle inclined to each other at 40^@ , the angle at the centre of the circle between the two radii is _______

    A
    `40^@`
    B
    `90^@`
    C
    `140^@`
    D
    `180^@`

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    Form the pair of linear equations in the following problems and their solutions (if they exist) by any algebraic method. Places A and B are 100 km apart on a highway. One car starts from A and another from B at the same time. If the cars travel in the same direction at different speeds, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of the two cars?

    Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method : Places A and B are 100 km apart on highway. One car starts from A and another form B at the same time. If the cars travel in the same direction at different speeds, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of the two cars ?

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