These fossils are often celebrated as missing links and a success story for Darwinism.
It’s interesting to see what Derek E. G. Briggs is willing to admit about the Cambrian explosion.
Because of the “dysmorphic” phenotype from a homozygous genotype, these mutant genes would be highly unlikely to become fixed in a population.
Inaccurate teaching about evolution is widespread, as Jonathan Wells’s review of textbooks shows.
This lecture represents material I have presented for the past few years, under the heading of “evo-devo,” or “evolution and development.”