floral organ development is controlled by overlapping expressions of A class , B class and C class genes in different whorls. In an Arabidopsis mutant, the floral whorls had following pattern:

Sepal àSepal àcarpel àcarpel 

Mutation in which one of the following class of gene causes above pattern.  

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#Question id: 1569

#4. Cell Communication and Cell Signaling

A bacterium entering the body through a small cut in the skin will do which of the following?

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#Question id: 9220

#9. Diversity of Life Forms

Which of the following factors could cause the largest increase in the effective population size of a species?

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#Question id: 2967

#2. Cellular Organization

G1 is associated with which of the following cellular events?

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#Question id: 17219

#7. System Physiology – Animal

What is the first stage of the General Adaptation Syndrome? 

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#Question id: 1390

#4. Cell Communication and Cell Signaling

Which of the following statements describes the events of apoptosis?