Genetic function correlated with unfolding of lampbrush loops by the Y chromosome in spermatocytes of Drosophila hydei

1970 ◽  
Vol 106 (4) ◽  
pp. 328-346 ◽  
Author(s):  
Oswald Hess
Keyword(s):  
Y Chromosome ◽  
Genetic Function ◽  
Drosophila Hydei ◽  
Lampbrush Loops

DNA clones and RNA transcripts of four lampbrush loops from the Y chromosome of Drosophila hydei

Cell ◽  
1983 ◽  
Vol 32 (1) ◽  
pp. 191-199 ◽  
Author(s):  
Eliezer Lifschytz ◽  
Dana Hareven ◽  
Aviva Azriel ◽  
Howard Brodsly
Keyword(s):  
Y Chromosome ◽  
Rna Transcripts ◽  
Drosophila Hydei ◽  
Lampbrush Loops

GENETIC FINE STRUCTURE OF THE Y CHROMOSOME OF DROSOPHILA HYDEI

Genetics ◽  
1982 ◽  
Vol 101 (2) ◽  
pp. 257-277
Author(s):  
Johannes H P Hackstein ◽  
Orilio Leoncini ◽  
Heinz Beck ◽  
Gijsbert Peelen ◽  
Wolfgang Hennig
Keyword(s):  
Fine Structure ◽  
Y Chromosome ◽  
Genetic Map ◽  
Complementation Group ◽  
Male Sterile ◽  
Drosophila Hydei ◽  
Complementation Groups ◽  
Genetic Fine Structure ◽  
Lampbrush Loops ◽  
Exact Definition

ABSTRACT A genetic map of the Y chromosome of Drosophila hydei has been constructed from deletion/complementation experiments, with the aid of male sterile mutants of the Y chromosome. A central conclusion of our experiments is that not more than a single complementation group can be detected in each of the lampbrush loop forming sites. Additional complementation groups, functionally independent of lampbrush loops, reside between these loci. Six complementation groups have been defined by several methods of mapping. An additional ten complementation groups are indicated, but their exact definition requires further investigation. The "synthetic sterility" of mutations in these ten loci contributes to the difficulty in unequivocally establishing their individual boundaries. Mapping problems also arise from the instability of certain mutants.

A marked ring-Y-chromosome in Drosophila hydei with a new type of white variegation

Chromosoma ◽  
1979 ◽  
Vol 71 (1) ◽  
pp. 1-14 ◽  
Author(s):  
H. Beck ◽  
F. M. A. van Breugel ◽  
Ž. Srdić
Keyword(s):  
Y Chromosome ◽  
Drosophila Hydei ◽  
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