Question

With the help of well labeled diagram describe the ABC Model of Flower Organization

19 Dec 2024
Answer :
Word Count : 563

The ABC model of flower organization is a well-known concept in plant developmental biology that explains how genes control the formation of flower organs. This model was proposed by Elliot Meyerowitz and colleagues in the 1990s, and it suggests that flower organ identity is determined by the interaction of three classes of genes: A, B, and C. Each class of genes is responsible for the development of specific floral organs, and their expression in different regions of the flower determines the organ identities.

In the ABC model, flowers are typically divided into four whorls, each of which produces a different organ:

  • Whorl 1: Sepals
  • Whorl 2: Petals
  • Whorl 3: Stamens
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