TLS Online TPP Program

#Question id: 7311


According to the ABC model of flower development in Arabidopsis, three classes of organ identity genes— designated A, B, and C— are required to specify the identity of floral organs in each whorl of a flower. If wild type Arabidopsis were transformed with a chimeric gene composed of a C class promoter fused to a B class coding sequence, which of the following arrangements   (outer to inner) would be predicted?

#SCPH06 I Botany
  1. Se Pe St St
  2. Se Pe Ca Ca
  3. Pe Pe St Ca
  4. Se Se St Ca