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: 1981

#Unit 4. Cell Communication and Cell Signaling

Which of the following is accounted for by immunological memory?

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#Question id: 28585

#Unit 2. Cellular Organization

Master controllers of the cell cycles are__

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#Question id: 1634

#Unit 4. Cell Communication and Cell Signaling

What is the main reason an experimental animal treated with X-rays can act as a living test tube for lymphocyte transfer experiments?

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#Question id: 31384

#Unit 5. Developmental Biology

In drosophila, the third thoracic segment is transformed into another second thoracic segment due to:

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#Question id: 21964

#Unit 2. Cellular Organization

Choose the incorrect statement 

a. S/MARs are a DNA sequence which is generally located between H1 and H3 binding sites. 

b.  S/MARs are a DNA sequence which is generally located between H3 and H4 binding sites

c. S/MARs is a DNA sequence which binds to base structure called matrix

d.  S/MARs is a DNA sequence which binds to base structure called scaffold