Which of the following statements is true about the chordin?
A - It is produced in Spemann's organizer and inhibits Xolloid
B - It is produced in Spemann's organizer and inhibits BMP-4
C - It is produced in Spemann's organizer and is inhibited by BMP-4
D - It is produced in the ventral portion of the embryo and inhibits BMP-4
E - It is produced in the ventral portion of the embryo and is inhibited by BMP-4
Answer: B - It is produced in Spemann's organizer and inhibits BMP-4
Chordin is produced in Spemann's organizer.