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Joseph Birdsell, "A preliminary report on the trihybrid origin of the Australian aborigines", American Journal of Physical Anthropology, 28 (3), 1941, p 6; J. B. Birdsell, "Preliminary data on the trihybrid origin of the Australian Aborigines", Archaeology and Physical Anthropology in Oceania, 2 (2), 1967, pp 100–55;
In genetics, a three-point cross is used to determine the loci of three genes in an organism's genome.. An individual heterozygous for three mutations is crossed with a homozygous recessive individual, and the phenotypes of the progeny are scored.
A Punnett square showing a typical test cross. (green pod color is dominant over yellow for pea pods [1] in contrast to pea seeds, where yellow cotyledon color is dominant over green [2]).
A trihybrid thesis had been advanced in the late 19th century redolent of early ideas concerning supposed pure racial types, [8] which posited that Australia had been populated by 3 successive waves of peoples. Supposedly these were the remnants of the hypothetical first wave of peoples to enter Australia, who were then thrust aside by further ...
During their meetings with Indigenous Australians they recorded ethnographic data, conducted family histories, took body measurements of individuals, and collected blood and hair samples. Their research led to the publishing of “The Trihybrid Origin of the Australian Aborigine” in 1942. [86] [87] Key figures. First Australian Anthropologist.
'Trihybrid' – [(Z. candida × Z. citrina) × Z. macrosiphon] marginally fertile 'Twinkle' 'Twisted Sister' – Yucca Do release, pastel apricot fades to ivory-white 'Valles Yellow' – this is the original name of Z. reginae and is not a hybrid or cultivar 'White Swan' 'XZB-H21' – Fellers hybrid not in commerce – white
In genetics, a reciprocal cross is a breeding experiment designed to test the role of parental sex on a given inheritance pattern. [1] All parent organisms must be true breeding to properly carry out such an experiment.
A monohybrid cross is a cross between two organisms with different variations at one genetic locus of interest. [1] [2] The character(s) being studied in a monohybrid cross are governed by two or multiple variations for a single location of a gene.