Biographical Memoirs Volume 72 (1997) / Chapter Skim
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MARCUS MORTON RHOADES
MARCUS MORTON RHOADES
Pages 314-329
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From page 315... ...
Rhoacles to plant genetics and, when Rhoacles later wrote a memorial resolution on Anderson, he praiser! him warmly.
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In 1937 the USDA transferred him to the Arlington Experimental Farm outsicle Washington, D.C. At the farm his basic cytogenetic research flourished, with consiclerable support from both his supervisor M
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From page 317... ...
on a wicle variety of topics in maize cytogenetics, inclucling crossing over en c! basic cytogenetic principles, cytoplasmic mate sterility, centromeric misclivision, the first transposon-type mutator system, a nuclear gene, iojap, that affects the chIoroplast genome, meiotic mutations, inclucling ameiotic 1, meiotic drive by abnormal chromosome ~0, properties of heterochromatin, en c!
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They often acIvised each other's graduate students. Peacock provided Rhoacles with a place to work away from the consiclerable administrative cluties of the chairmanship at Indiana University.
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at the Sixth International Genetics Meeting in 1932, when a group of maize geneticists former! the Maize Genetics Cooperation.
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By the time Rhoacles was teaching at Indiana University en c! serving as chair of the botany department the course was one semester in length.
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discussion for his own vilification, forgetting that Rhoacles was waiting in the hallway en c! enduring the inquiries of fellow graduate students as to whether he was "in trouble." As a result of this experience Rhoacles always kept the discussion following student committee meetings to a · ~ mlnlmum.
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From page 322... ...
enclosperm color phenotype (purple clots on a colorless background on semis of a single ear (1938~. Dotted was shown to be an unusual mutator gene because it affects a specific locus, ad, en c!
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From page 323... ...
in informing students that the melotic drive aspect was cliscovered in his Arlington, Virginia, USDA plot "on which the Pentagon now stancis." Due to the findings of Rhoacles this work remains one of the best explainer! systems of melotic drive.
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From page 324... ...
by the expression of a recessive phenotype in a homozygous recessive x homozygous dominant cross. The system became known as "high loss" due to the frequent elimination of dominant markers from knobbec!
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in ~ 989. A remarkable aspect of Marcus Rhoacles's career was his ability to continue producing imaginative en c!
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From page 326... ...
Genetics 21 :491-502. The effect of varying gene dosage on aleurone color in maize.
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35:129-32. 1950 Gene induced mutation of a heritable cytoplasmic factor producing male sterility in maize.
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The effect of abnormal chromosome 10 on preferential segregation and crossing over in maize. Genetics 53:9891020.
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From page 329... ...
78:4490-94. 1984 The early years of maize genetics.
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