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Presence of recombinants is due to :...

Presence of recombinants is due to :

A

Crossing over

B

Linkage

C

Lack of independent assortment

D

All of the above

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The correct Answer is:
a
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MODERN PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATION-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE QUESTIONS (MCQs):)
  1. Frequency of crossing over will be relatively more if :

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  2. The existence within a population of non-beneficial alleles in heteroz...

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  3. Presence of recombinants is due to :

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  4. Genes for cytoplasmic male sterility in plants are located in

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  5. How many types of genetically different gametes will be produced by a ...

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  6. Two allelic genes are located on

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  7. A test cross is carried out to

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  8. The idea of mutations was brought forth by

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  9. Among the seven pairs of contrasting traits in pea plant as studied by...

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  10. Crick one of the discoverer of DNA double helical stucture, was the ma...

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  11. Some of the dominant traits studied by Mendel were

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  12. In a dihybrid cross where two parents differ in two pairs of contrasti...

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  13. The colour based contrasting traits in seven contrasting pairs, studie...

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  14. The number of autosomes in a normal human cell is :

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  15. Down's syndrome is associated with trisomy of chromosome number:

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  16. The syndrome in which individual somatic cell contains three sex chrom...

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  17. Antibodies resemble which of the following shape?

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  18. When yellow round heterozygous pea plants are self fertilised, the fre...

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  19. In XO type of sex determination

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  20. Who used the frequency of recombination between gene pairs on the same...

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