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26. New combination of genes are produced due to
A. Linkage
B. Epistasis
C. Crossing over
D. Duplication
Explanation:
27. The mechanism that provides the basis for new varieties of plant is
A. Linkage
B. Crossing over
C. Epistasis
D. Repulsion
Explanation:
28. An important criterion for evolution of organisms is
A. Mutation
B. Heredity
C. Evolution
D. Variation
Explanation:
29. The scientists who proved that Mendel’s law of independent assortment is not universal
A. Morgan and Mendel
B. Correns and Tschermak
C. Bateson and Punnet
D. Sinnot and Punnet
Explanation:
30. The adjacent non-sister chromatid remain in contact at certain points called
A. Locus
B. Chiasmata
C. Linkage
D. Coupling
Explanation:
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