Interchromosomal effects of autosomal inversions in Drosophila melanogaster
نویسندگان
چکیده
منابع مشابه
Interchromosomal Effects of Autosomal Translocations on Recombination in DROSOPHILA MELANOGASTER.
ETEROZYGOUS autosomal translocations have been shown to affect recomHbination in the X chromosome in various ways (HINTON 1965); translocations with long interstitial distances increased recombination in X, those with short interstitial distances decreased recombination in X, and those with intermediate interstitial distances had little or no effect. Other incidental tests of translocation hete...
متن کاملEffects of Some Autosomal Inversions on Lethal Mutation in Drosophila Melanogaster.
ITH the development of genetics, it has become implicit in the principle of segregation that the purity of segregating alleles or homologous chromosomes is subject to exception only where mechanisms of recombination are concerned. Recently, cases of apparent interallelic mod'fication have been described where thorough analysis has precluded the possibility of a basis in any recognized mechanism...
متن کاملInterchromosomal Effects on Somatic Recombination in Drosophila Melanogaster.
RECOMBINATION in somatic cells of Drosophila is influenced by various genetic and environmental factors that also affect meiotic recombination. Thus, the amount of somatic crossing over in a given chromosome is controlled by the genetic contents of the chromosomal set (WEAVER 1960) and by the presence of various genes (STERN 1936; KAPLAN 1953). It may also be affected by changes in temperature ...
متن کاملThe Effect of Autosomal Inversions on Crossing over in the X-Chromosome of Drosophila Melanogaster.
HE first evidence of a crossover suppressor was found in 1913 by T STURTEVANT. In 1921 STURTEVANT found the first definite evidence of an inversion when he showed that several third chromosome genes in Drosophila melanogaster were arranged in an inverted order with respect to similar genes in the third chromosome of D. simulans. At this time STURTEVANT predicted that a heterozygous inversion wo...
متن کاملExchange within heterozygous inversions in Drosophila melanogaster.
The exchange behavior of non-attached, whole arm, X chromosome inversions was reexamined using nondisjunction in XXY females as an indirect measure of the frequency of nonexchange tetrads. Crossing over is quite normal in these inversion heterozygotes and is independent of the arrangement of the basal heterochromatin.
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ژورنال
عنوان ژورنال: Hereditas
سال: 2009
ISSN: 0018-0661
DOI: 10.1111/j.1601-5223.1972.tb01048.x