MEDAL
发表于 2025-3-21 18:19:10
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Precursor
发表于 2025-3-21 23:28:25
RFLP technology, in linear order on cytogenetically defined structures called chromosomes. Shortly thereafter the first chromosome map was produced by Sturtevant with segregation data derived from studies on . (Crow and Dove 1988). The markers on this first genetic map were phenotypic traits scored by visual observ
Exterior
发表于 2025-3-22 00:36:25
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notion
发表于 2025-3-22 05:54:46
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乐意
发表于 2025-3-22 10:06:11
Breeding multigenic traits,llennia. These increases (many have been dramatic) have resulted from artificial selection, either conscious or unconscious, on the phenotypes of the targeted species. Until the 20th century, plant breeding was largely an art with little or no knowledge of genetic principles. Although plant improvem
Halfhearted
发表于 2025-3-22 16:56:07
Nuclear DNA markers in systematics and evolution,tion (species) and attempt to infer the processes involved in evolutionary change from the observed pattern. A variety of approaches have traditionally been used to infer systematic or evolutionary relationships among plant species including morphology, anatomy, cytology, breeding systems, cross-com
Halfhearted
发表于 2025-3-22 17:59:11
Molecular maps of alfalfa,lfalfa originated near the Caspian Sea in northern Iran and northeastern Turkey; its cultivation spread throughout the Mediterranean region and into Germany, France, and China by the time of the Roman Empire (Bolton 1962). Today, alfalfa is raised on all continents and is currently cultivated on mor
oblique
发表于 2025-3-22 21:51:19
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companion
发表于 2025-3-23 03:48:25
RFLP maps of barley,l. 1979). Barley has also been a favorite genetic experimental organism since the rediscovery of Mendel’s laws of heredity (Tschermak 1901; cited from Smith 1951). The widespread use of barley is attributable to its diploid nature (2n = 2x = 14), self fertility, large chromosomes (6–8 .m), high degr
庄严
发表于 2025-3-23 05:57:08
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