Multiple choice

The golden 2 like (GLK) genes were discovered in maize in 2001. Which of the following functions do they perform?

  1. CA1P-phosphatase regulation

  2. Phosphoenol carboxylase regulation

  3. Chloroplast development

  4. NADP-malic enzyme regulation

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

GLK gene pairs regulate chloroplast development in diverse plant species. As GLK genes are not found in any algal or non-plant genomes, GLK transcription factors evolved to regulate chloroplast development as plants moved on to land.