Different genetic cross regarding two independently assorting non allelic gene with complete dominance and their phenotypic ratio showed in a following. Which of the following is incorrect combination? 

	Genetic cross		Phenotype ratio
1	AABb X AaBb		3:1
2	Aabb X  AaBb		3:1:3:1
3	AABb X AaBB		1:1
4	Aabb X aaBb		1:1:1:1

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#Question id: 3622

#Section 3: Genetics, Cellular and Molecular Biology

Two allelic genes are situated on

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#Question id: 3799

#Section 3: Genetics, Cellular and Molecular Biology

If replicating bacteria are given a short pulse of radiolabeled thymidine and rapidly killed, the radiolabel shows up as:

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#Question id: 1859

#Section 2: General Biology

Defects in the neutrophil NADPH oxidase system result in:

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#Question id: 14291

#Section 5: Bioprocess Engineering and Process Biotechnology

In a batch sterilization process if  overall,  heating &  cooling are 32.2, 9.8 & 10.1 respectively, THEN the holding time at 121^^o-C of the process is (given that the specific death rate (k) of microorganisms at 121^^o-C is 2.54 min-1 ):

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#Question id: 1992

#Section 2: General Biology

How do antibodies of the different classes IgM, IgG, IgA, IgD, and IgE differ from each other ?