Thomas Harrison Montgomery, Jr.
... that zoologist Thomas Harrison Montgomery, Jr. was the first to propose that chromosomes play a dominant role in determining an organism's sex?
... that zoologist <b id="mwA8E"><a class="mw-redirect" href="./Thomas_Harrison_Montgomery,_Jr." id="mwA8I" rel="mw:WikiLink" title="Thomas Harrison Montgomery, Jr.">Thomas Harrison Montgomery, Jr.</a></b> was the first to propose that <a href="./Chromosome" id="mwA8M" rel="mw:WikiLink" title="Chromosome">chromosomes</a> play a dominant role in <a href="./Sex-determination_system" id="mwA8Q" rel="mw:WikiLink" title="Sex-determination system">determining an organism's sex</a>?