Inheritance of Two Genes
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BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342316 In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that:

1 The alleles of two genes are interacting with each other
2 It is a multigenic inheritance
3 It is a case of multiple allelism
4 The alleles of two genes are segregating independently.
NCERT EXEMPLAR
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342317 Why is law of dominance not universally accepted?

1 Due to co-dominance
2 Due to Law of Incomplete dominance
3 Due to Linkage
4 Both 1 & 2
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BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342316 In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that:

1 The alleles of two genes are interacting with each other
2 It is a multigenic inheritance
3 It is a case of multiple allelism
4 The alleles of two genes are segregating independently.
NCERT EXEMPLAR
BIOXII05: PRINCIPLES OF INHERITANCE AND VARIATION

342317 Why is law of dominance not universally accepted?

1 Due to co-dominance
2 Due to Law of Incomplete dominance
3 Due to Linkage
4 Both 1 & 2
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