SELECTION FOR MATING ACTIVITY IN TWO CHROMOSOMAL ARRANGEMENTS OF DROSOPHILA PSEUDOOBSCURA
نویسندگان
چکیده
منابع مشابه
Chromosomal control of mating activity in Drosophila pseudoobscura.
Lines containing two third-chromosome inversions (Arrowhead and Pikes Peak) of Drosophila pseudoobscura selected for fast and slow mating speed were crossed to a multichromosomal, dominant marker inversion stock, and strains with various combinations of chromosomal derivation were tested for their mating activity. When lines were selected isodirectionally with the known third-chromosome control...
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Drosophila pseudoobscura harbors a rich gene arrangement polymorphism on the third chromosome generated by a series of overlapping paracentric inversions. The arrangements suppress recombination in heterokaryotypic individuals, which allows for the selective maintenance of coadapted gene complexes. Previous mapping experiments used to determine the degree to which recombination is suppressed in...
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ITH a positive correlation between mating speed of homokaryotypes and the Wf requency of gene arrangements from the Mather, California, population of Drosophila pseudoobscura, it became clear that gene complexes included in those arrangements must play a prominent role in courtship behavior, a role essential to fitness in natural populations (SPIES and LANGER 1964a). In its sibling species, D. ...
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Fertility, the component of selection due to female fecundity and male mating success, differed significantly among the ST/ST, ST/AR, and AR/AR karyotypes in experimental populations and varied with karyotypic frequency. In relation to ST/AR, ST/ST females and males had higher fertilities at low frequency; AR/AR males and females were at a significant fertility disadvantage at intermediate freq...
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ژورنال
عنوان ژورنال: Evolution
سال: 1975
ISSN: 0014-3820
DOI: 10.1111/j.1558-5646.1975.tb00841.x