Biology · Developmental Biology
The antero-posterior compartment of each segment in Drosophila is defined by wingless and engrailed genes. The following statements describe their regulation: A. Wingless is a secretory factor. B. Engrailed is a secretory factor and forms a long-range concentration gradient. C. Engrailed regulates Wingless through Hedgehog, which forms a short-range concentration gradient. D. β-catenin homologue is the signalling molecule upstream of Engrailed, which gets cleaved by GSK3 homologue. E. Cubitus interruptus is an intracellular signalling molecule in the Engrailed expressing cells. Which one of the following options contains all the correct statements regarding the regulation of the antero-posterior compartment of segments?
- 1A, C and D✓
- 2B and E
- 3C only
- 4B only
Correct answer
A, C and D
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Biology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Developmental Biology?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Biology · Developmental Biology