It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates
(A) Placenta
(B) Notochord
(C) Cranianta
(D) Ligule
It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates
(A) Placenta
(B) Notochord
(C) Cranianta
(D) Ligule
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