Mutation in a B group gene in Arabidopsis thaliana affects development in its flower's ______________.
A) first whorl only
B) second whorl only
C) third whorl only
D) first and second whorls
E) second and third whorls

Question

Mutation in a B group gene in Arabidopsis thaliana affects development in its flower's ______________.  
A) first whorl only
B) second whorl only
C) third whorl only
D) first and second whorls
E) second and third whorls

Quizplus · Accepted Answer

In Arabidopsis thaliana, B group genes are responsible for the development of petals and stamens, which are located in the second and third whorls of the flower, respectively. Mutation in these genes affects the development of these specific parts.

Mutation in a B Group Gene in Arabidopsis Thaliana Affects