Developmental Mechanisms Problem Set

Problem 8: Embryonic origin of the segments of the adult fruit fly

During development of the fruit fly, the segments of the adult body, including head, three thoracic, and eight abdominal segments, derive from undifferentiated cells in the larva known as:

A. ventral cells

B. neural crest

C. polytene cells

D. imaginal discs

E. blastomers

The Biology Project Department of Biochemistry and Molecular Biophysics The University of Arizona Thursday, October 30, 1997
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