A reevaluation of data from competitive tests shows high levels of heterosis in Drosophila melanogaster. | Zendy

B. D. H. Latter | Zendy; J A Sved | Zendy

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A reevaluation of data from competitive tests shows high levels of heterosis in Drosophila melanogaster.

Author(s) -

B. D. H. Latter,

J A Sved

Publication year - 1994

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/137.2.509

Subject(s) - drosophila melanogaster , biology , genetics , heterosis , drosophila (subgenus) , evolutionary biology , gene , hybrid , botany

We have analyzed the results from a range of procedures designed to measure the fitness under competitive conditions of inbred strains of Drosophila melanogaster, specifically strains which are homozygous for chromosome 2. All methods show a substantial reduction in fitness, ranging from an estimated 70-80% for single generation competition tests to 80-90% for a multiple generation population cage procedure. Furthermore, inbreeding through brother-sister mating reduces fitness by a comparable amount when allowance is made for the expected degree of homozygosity.

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