Em. Meyerowitz, Plants, animals and the logic of development (Reprinted from Trends in Biochemical Sciences, vol 12, Dec., 1999), TRENDS GEN, 15(12), 1999, pp. M65-M68
Multicellular plants and animals have evolved independently from a unicellu
lar, last common ancestor. Each Lineage started with a common toolkit of fu
nctioning genes and evolved to complex, multicellular forms. Comparison of
the genes used to serve similar functions shows how organisms can use diffe
rent genes for similar ends and thereby reveals the principles of developme
nt.