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Heredity (Edinb). 1991 Dec;67 ( Pt 3):365-71.

Male crossing over and genetic sexing systems in the Australian sheep blowfly Lucilia cuprina.

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CSIRO Division of Entomology, Canberra, Australia.


Field-female killing (FK) systems based on deleterious mutations and Y-autosome translocations are being evaluated for genetic control of the Australian sheep blowfly, Lucilia cuprina. Experience during field trials has shown that mass-reared colonies of FK strains are subject to genetic deterioration, caused mainly by genetic recombination in males. A previous study found higher male recombination frequencies in two Y-linked translocation strains than in chromosomally normal males. However, the results of the present study indicate that breakage of the Y chromosome is neither sufficient nor necessary for increased levels of male recombination. The frequency of male recombination appears to be unrelated to the presence of specific chromosome rearrangements.

[Indexed for MEDLINE]

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