Which of the following is not matched with its proper germ layer of origin? Notochord – mesoderm Dorsal hollow nerve cord – neural crest Somite – mesoderm Lining of gut – endoderm Dermis of skin – mesodermA. Notochord – mesodermB. Dorsal hollow nerve cord – neural crestC. Somite – mesodermD. Lining of gut – endodermE. Dermis of skin – mesoderm Solution The answer is B.Dorsal hollow nerve cord – neural crest. as because it is a precursor of nervous system.