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Variations appear during meiosis due to...

Variations appear during meiosis due to

A

Crossing over

B

Chromosomal aberrations

C

Polyploidy

D

Mutations

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The correct Answer is:
A
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ARIHANT NEET-CHROMOSOMAL BASIS OF INHERITANCE-Chapter Exercises A Taking it together (Assorted Questions of the Chapter for Advanced level Practice )
  1. Complete linkeage is observed in

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  2. Maize has 10 pairs of chromosomes. How many linkage groups will be pre...

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  3. Variations appear during meiosis due to

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  4. Sutton and Boveri studied……. Behaviour to explain Mendel's laws.

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  5. Morgan worked with Drosophila melanogaster, they could be grown on

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  6. Drosophila melanogaster complete their life cycle in about

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  7. The concept of genetic/chromosomal basis of sex-determination was obse...

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  8. Cytoplasmic inheritance is due to

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  9. Kappa particles are present in

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  10. Kappa particles make an animal killer when their number in an individu...

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  11. Male sterility was discovered by

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  12. Kappa paricles were discovered by

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  13. Cytoplasmic male sterility is passed down

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  14. Which one of the following carries extra nuclear genetic material ?

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  15. The ultimate source of genetic variation is :

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  16. How many linkage groups are present in female and male grasshopper rep...

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  17. Which of the following is suitable for experiment on linkage ?

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  18. Cis- trans expression of genes is an example of :

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  19. When an animal has both the characters of male and female,it is called...

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  20. Mutation altering nucleotide sequence within a gene are

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