3 ms·
The cited book is 1963. I'd feel more comfortable with something more recent. It seems to be a debate of degree. Earlier forms do tend to be preserved in the em
by tabtab 7y ago
The cited book is 1963. I'd feel more comfortable with something more recent. It seems to be a debate of degree. Earlier forms do tend to be preserved in the embryo, but it's only a tendency, not a "rule".
- jhedwards 7y agoMentioned in my other comment above: https://en.wikipedia.org/wiki/Ontogeny_and_Phylogeny_(book) https://en.wikipedia.org/wiki/Ontogeny_and_Phylogeny_(book)
- thaumasiotes 7y ago>> it had been relegated to "biological mythology" by the mid-20th century > The cited book is [from] 1963. Sorry, when would you expect a citation for "it had been relegated to 'biological mythology' by the mid-20th century" to date from?
- tabtab 7y agoAs a hard and fast rule, yes, it has been deprecated, but not as a tendency or influence.