Let us give some thought to the Y chromosome of Drosophila melanogaster, that engaging fly which is the bond-servant of genetics.
I don’t think the study can claim all the things it does based on the evidence they have.
Molecular clocks are a relatively simple concept.
His choice of targets for criticism and for praise have a lot more to do with his particular agenda than the defects or merits of those whom he critiques.
“Male mice grow ovaries instead of testes if they are missing a small region of DNA that doesn’t contain any genes,” reports the Francis Crick Institute.