The Evolutionary History of Drosophila buzzatii. VIII. Evidence for Endocyclic Selection Acting on the Inversion Polymorphism in a Natural Population

Evolution ◽  
1986 ◽  
Vol 40 (4) ◽  
pp. 740 ◽  
Author(s):  
A. Ruiz ◽  
A. Fontdevila ◽  
M. Santos ◽  
M. Seoane ◽  
E. Torroja
Heredity ◽  
1996 ◽  
Vol 77 (5) ◽  
pp. 500-508 ◽  
Author(s):  
Juan J Fanara ◽  
Esteban Hasson ◽  
Constantina Rodríguez ◽  
Mauro Santos ◽  
Antonio Fontdevila

1991 ◽  
Vol 4 (2) ◽  
pp. 209-225 ◽  
Author(s):  
Esteban Hasson ◽  
Juan C. Vilardi ◽  
Horacio Naveira ◽  
Juan J. Fanara ◽  
Constantina Rodriguez ◽  
...  

Genetics ◽  
1986 ◽  
Vol 114 (3) ◽  
pp. 841-857
Author(s):  
Horacio Naveira ◽  
Antonio Fontdevila

ABSTRACT The genetic basis of hybrid sterility has been investigated in backcross segmental hybrids between two sibling species, Drosophila buzzatii and D. serido. Asynapsis of homologous bands in hybrid polytene chromosomes has been used to identify the D. serido chromosome segments introgressed into the D. buzzatti genome. All the investigated chromosomes contain male sterility factors. For autosomes, sterility is produced when an introgressed D. serido chromosome segment, or combination of segments, reaches a minimum size. On the other hand, any introgressed X chromosome segment from D. serido, irrespective of its size, produces either male hybrid sterility or inviability.


Evolution ◽  
1999 ◽  
Vol 53 (2) ◽  
pp. 612 ◽  
Author(s):  
Constantina Rodriguez ◽  
Juan J. Fanara ◽  
Esteban Hasson

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