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Polymorphism of M factors in populations of the housefly, Musca domestica L., in Turkey

Published online by Cambridge University Press:  01 August 2000

Ş. ÇAKIR  and
A. KENCE
Ş. ÇAKIR
Affiliation:
Faculty of Art and Science, Biology Department, Kırıkkale University, 71100 Kırıkkale, Turkey
A. KENCE
Affiliation:
Department of Biology, Middle East Technical University, 06531 Ankara, Turkey
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Abstract

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M factors, which determine maleness in Musca domestica, were found on the second, third, fourth and fifth linkage groups in housefly populations of Turkey. As in European populations, the male-determining factor was more frequently located on linkage group III (MIII). Some males homozygous or double heterozygous for M factors were identified. Deviations from a 1[ratio ]1 sex ratio in favour of males, as well as mosaics for somatic marker mutations and sexual mosaics (gynandromorphs), were also observed. The results reveal an extensive polymorphism in the sex-determining system.

Type
Research Article
Information
Genetics Research , Volume 76 , Issue 1 , August 2000 , pp. 19 - 25
Copyright
© 2000 Cambridge University Press