2018-12-182018-12-181916Marshall, Walter Winfield. "The effect of long-continued heterozygosis on a variable character in drosophila." (1916) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/104246">https://hdl.handle.net/1911/104246</a>.https://hdl.handle.net/1911/10424618 ppengCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.ThesisRICE1875reformatted digitalThesis Biol. 1916 Marshall