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13. The distance between gene A and B is 10 cM. If a genotype    A    b     is selfed, the a    B percentage of progeny with genotype aabb will be (1) […]

12. Distance between the two linked genes A and B is 20 cM. On test cross of    A    b a    B with recessive parent how many offspring will have genotype    […]

11. Distance between gene A and B is 10 cM. If the F1 genotype  A     B    was test a      b crossed then what is probability of obtaining A      B    genotype […]

10. After meiosis the 20 % gametes are recombinant for two genes. The distance between two genes will be (1) 5 Cm                 (2) 10 cM (3) 20 cM      […]

9. Direct correlation between recombination frequency and distance between genes can be disturbed by presence of (1) Heterochromatin       (2) Exons (3) Introns                   (4) Euchromatin Introduction: In genetics, recombination frequency is […]

In an organism if number of linkage group is 12, then the number of haploid set of chromosome is (1) 12                   (2) […]

7. In number of linkage groups present in human male is: (1) 21            (2) 22 (3) 23           (4) 24 The number of linkage groups present in a human male is […]

6.The gene map produced on based on recombination frequency data are termed as (1) Deletion map               (2) Linkage map (3) Physical map              (4) Cytogenetic Introduction: Gene mapping is a crucial […]

Maximum recombination frequency between two genes during meiosis of diploid organism can be (1) 25% (2) 50 % (3) 75 %       (4) 100 % Maximum recombination frequency between two genes […]

4. Then typical Mendel test cross ratio in two point cross (1) 9:3:3:1       (2) 1:2:1 (3) 1:1             (4) 1:1:1:1 Introduction: Mendel’s test cross is fundamental in genetic studies to determine […]