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Assertion (a) :- An organism with lethal...

Assertion (a) :- An organism with lethal mutation may not even develop beyond the zygote stage.
Reason (R ) :- All types of gene mutations are lethal .

A

Both (a) and (R ) are true (r ) is the correct explanation of (A)

B

both (A) and(R ) are true but (R ) is not the correct explanations of (A)

C

(A) is true statement but (R ) is false

D

Both (a) and (R ) are false

Text Solution

Verified by Experts

The correct Answer is:
C
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GRB PUBLICATION-CHROMOSOMAL BASIS OF INHERITANCE-Gene mutation
  1. Most of the mutations are:

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  2. Recessive mutations are expresssed in:

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  3. Assertion (a) :- An organism with lethal mutation may not even develop...

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  4. the mutation in germ ccells can be detected in :

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  5. If a mutaion occurs in a gamete it would inffluence :

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  6. which of the following mutaions which are not hereditary do not heredi...

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  7. The reason why some mutations which are harmful do not get eliminted f...

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  8. in pea seed colour chabge from gray to white .this is an example of :

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  9. A single gene mutation affecting more than one phenotype is called

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  10. if a mutation is not visible in successive generation it is scalled :

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  11. Gene mutations are a also called :

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  12. Abrupt and distinct change in the structure of a gene is called :

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  13. point mutaations is a change which involes :

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  14. Mutaions are inducedd mostly by :

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  15. Identify the one which caues mutaltion :

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  16. Which of the following is generally used for induced mutagenesis in cr...

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  17. which of the following is a point mutaution ?

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  18. mutation by radaition was first expermentally demonstrated by :

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  19. H,J mular had received the Nobal prize for :

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  20. Which of the following discoveries resulted in a Nobel Prize

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