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Variation of a character is brought abou...

Variation of a character is brought abount by :

A

mutations

B

crossing over during meiosis

C

duplicationof chromosomes during mitosis

D

both (a) and (b) correct

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The correct Answer is:
D
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Read of following statements and find out the incorrect statement(s). a. Genetics deals with the inheritance, as well as variation of characters from parents to offspring. b. Variation is the process by which characters are passed on from parent to progeny. c. Inheritance is the basis of heredity. d. Inheritance is the degree by which progeny differ from their parents. e. Human knew from as early as 8000-10000 B.C. that one of the causes of variation was hidden in sexual reproduction

GRB PUBLICATION-CHROMOSOMAL BASIS OF INHERITANCE-Gene mutation
  1. When two mutations located in the same funcitnal unit or in different ...

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  2. the major source of varaations are ,

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  3. Variation of a character is brought abount by :

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  4. Hugo de veries attbuteted evloution to :

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  5. mutations are mainly responsible for controlling :

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  6. Muatation theory was proposed by :

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  7. the plant on which de vries worked in preparation of mutation theory w...

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  8. The plant on which Hugo de vries based his evolution theory is

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  9. Most of the mutations are:

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  10. Recessive mutations are expresssed in:

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

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

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

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

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

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

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

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

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  19. Gene mutations are a also called :

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

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