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Data for the study of sex-linked inheritance in Drosophila

โœ Scribed by Morgan, T. H. ;Cattell, Eleth

Publisher
John Wiley and Sons
Year
1912
Tongue
English
Weight
999 KB
Volume
13
Category
Article
ISSN
0022-104X

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โœฆ Synopsis

In recent years a new fact in hfendelian inheritance has come to light, which while it obscures the Mendelian expectation based on independent segregation of the factors of inheritance, shows that the main iVendelian principles are by no means invalidated; for, they too are manifest, but obscured by the linkage or coupling of certain factors. When certain somatic characters are associated with sex, as in Drosophila, we have the best opportunity, as yet afforded, for studying in its simplest form this sort of iasso~iative' iiiherjtarice; for, in certain combinations, the relation between linkage and breaking of the linkage ('crossingover' as we shall call it) is shown a t once by the male flies which

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Additional data for the study of sex-lin
Additional data for the study of sex-linked inheritance in Drosophila
โœ Morgan, T. H. ;Cattell, Eleth ๐Ÿ“‚ Article ๐Ÿ“… 1913 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 334 KB

In a paper dealing with Data for the Study of Sex-linked Inheritance in Drosophila (Jour. Exp. Zool., vol. 13, no. 1, 1912) we described seven crosses in which three pairs of the sex-linked factors were involved. Three crosses that belonged to the same series were withdrawn because, as stated, the r

Mutagenic potential of nitroguanidine an
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Nitroguanidine (NG) and its degradation product nitrosoguanidine (NSG) were evaluated for their mutagenic potential by using Drosophila melanogaster sex-linked recessive lethal (SLRL) assay. Following 72 h of feeding exposure, NG and NSG at concentrations of 4-8 pg ml-' and 15-20 mg ml-I, respective