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: 23919

#General Aptitude

Which of the following shows bioaccumulation and contaminate food chains?

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#Question id: 845

#Unit 1. Molecules and their Interaction Relevant to Biology

The most common cystic fibrosis– causing mutation is the deletion of a Phe residue at position____ in CFTR, which causes improper protein folding

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#Question id: 11913

#Unit 10. Ecological Principles

During the rate of succession several factors would be observe at the pioneer as well as climax community;

Match the community stages with its given characters;

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#Question id: 2944

#Unit 2. Cellular Organization

DNA replication at each origin occurs only once during the cell cycle because of:

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#Question id: 18888

#Unit 13. Methods in Biology

In fluorescence microscopy, which of the following performs the function of removing all light except the blue light?