Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct? (a) It is present only in larval tail in ascidian. (b) It is replaced by a vertebral column in adult frog. (c) It is absent throughout life in humans from the very beginning. (d) It is present throughout life in Amphioxus.

Which one of the following statements is totally
wrong about the occurrence of notochord, while the
other three are correct?
(a) It is present only in larval tail in ascidian.
(b) It is replaced by a vertebral column in adult
frog.
(c) It is absent throughout life in humans from the
very beginning.
(d) It is present throughout life in Amphioxus.
by

1 Answer

Answer :

(c) It is absent throughout life in humans from the
very beginning.
by

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