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Which among the following is incorrect about notochords?

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in Biology – Class 11 by (272k points)
Which among the following is incorrect about notochords?

(a) Notochord is a rod-like structure on the dorsal side of the animals

(b) During the embryonic development notochord is formed on the dorsal side

(c) Notochord is formed from epidermal cells

(d) Pisces are an example for chordates

The question was asked in a national level competition.

The query is from Basis of Classification in Animals topic in portion Animal Kingdom of Biology – Class 11

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The correct choice is (c) Notochord is formed from epidermal cells

To explain I would say: Notochord is a rod-like structure formed on the dorsal side of animals. During the embryonic development, notochord gets developed from mesodermal cells. Animals are classified as chordates and non-chordates based on the presence or absence of notochord. Pisces are an example for chordates.

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