Maternal-Effect genes
in Drosophila.
Darkfield photomicrographs of denticle bands on the
ventral surface.
(a) wild-type
phenotype: note head structures.
(b) bicoid
(bcd) mutant: note absence of head and reduction of thoractic
structures.
Figure © 1996 byGriffiths et al.; All text material © 2007
by Steven M. Carr