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.”
This is the refrain of the book: “It is all or death!” “All or nothing!” Half-solutions are no solutions at all.
Amidst all this chest thumping over neo-Darwinian certainties, doubts are unmistakably on the rise.