Developmental Mechanisms Problem Set

Problem 1: Definition of a homeotic gene

Homeotic genes:

A. Determine the developmental fate of groups of cells in segments of an organism
Pattern formation is essential to the development of all organisms. Once the basic pattern of a developing organism has been established, homeotic genes tell each segment what to develop into.

B. Are unique to the development of flies and worms

C. Regulate the metabolism of lactose in prokaryotic cells

D. Regulate the cell cycle in eukaryotic cells

E. All of the above

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