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23 pairs of chromosomes can give rise to...

23 pairs of chromosomes can give rise to combinations

A

8.6 million

B

7.6 million

C

6.6 million

D

5.6 million

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The correct Answer is:
A
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DINESH PUBLICATION-GENETIC BASIS OF INHERITANCE-Revision Questions From Competitive Exams
  1. Which one is not a dominant trait amongst seven Pea traits chosen by M...

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  2. Epistasis is due to

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  3. 23 pairs of chromosomes can give rise to combinations

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  4. Heterozygous tall plant is selfed. It produces both tall and dwarf pla...

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  5. Which one is a dominant trait out of the characters chosen by Mendel ?

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  6. R is dominant red flower trait while r is recessive white flower trait...

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  7. Ultimate source of variation is

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  8. Source of mendelian recombination is

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  9. 1:2:1 phenotypic and genotypic ratios occur in case of

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  10. Correct reason for Mendel's success was

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  11. Sickle cell anaemia is

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  12. By cross pollinating certain tobacco species, some fetile hybrids were...

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  13. Independent assortment is absent in case of

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  14. In pea, wrinkling of seeds is due to nonformation of starch because of...

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  15. When both alleles express their effect on being present together, the ...

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  16. In complementary genes, the dihybrid ratio of 9:3:3:1 is modified to

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  17. On crossing two similar hybrids, the percentage of recessive is

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  18. Number of genotype found in F(2) progeny of a dihybrid cross is

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  19. Heterozygous tall (Tt) is crossed with homozygous tall (TT). Percentag...

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  20. Pleiotropic effect is found in

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