San Francisco's Downtown Plan

San Francisco's Downtown Plan

creating protein messengers that bind with some genes, and not others. The result of this intricate process is that sets of cells end up with special genetic instructions that differentiate them from other cells nearby. Each cell group then migrates to its proper place in the growing embryo and develops into a specific body pan or system.
Gehring first became aware of these special genes in 1965,while study- ing the developmental stages of fruit flies. Observing strange mutations- legs sprouting...

Share:
Read Time:

More From This Issue