Caption
The phenotype of the bb1 allele.
Dorsal aspect.
Oriented anterior up.
After an extreme bobbed on page 68 from Lindsley and Zimm (1992).
D. L. Lindsley and G. G. Zimm. The Genome of Drosophila melanogaster. Academic Press,
San Diego, CA, 1992. ISBN 0124509908.
