Question
Question: Which one of the following statements is totally wrong about the occurrence of notochord, while the ...
Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct?
A
It is present throughout life in Amphioxus
B
It is present only in larval tail in Ascidians
C
It is replaced by vertebral column in adult frog
D
It is absent throughout life in humans from the very beginning
Answer
It is absent throughout life in humans from the very beginning