Second Chromosome viability genetic load and lethal Allelic Frequency in Drosophila melanogaster in Ewekoro, Ogun State, Nigeria

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dc.contributor.authorAdekoya, K.O.
dc.date.accessioned2019-02-04T13:58:31Z
dc.date.available2019-02-04T13:58:31Z
dc.date.issued2001-11
dc.description.abstractThe frequencies of recessive lethal, semilethal, subvital and quasinormal chromosomes-2 in Drosophila melanogaster from the cement factory at Ewekoro, Ogun State were determined by making by making one chromosome-2 from each trapped male homozygous. The frequency of allelism, among the lethal chromosomes isolated, was also determined. The frequency of lethal, semilethal, subvital, quasinormal and normal chromosomes in the population were 44.9%, 22.5%, 12.2%, 2.0% and 16.3% respectively. Although the frequency of lethals was lower than expected for a lowland population located close to equator, the proportion of lethals among drastics (lethal + semilethals) was not different from values for a number of populations in higher latitudes. The low frequencies indicated a large population and a free flow of gene was suggestive. Comparison with previous data on chromosomes - 2 and 3 suggest that generalizations on genetic load in populations must be based on data of all the major chromosomes in the speciesen_US
dc.identifier.citationAdekoya, K.O. (2001): Second Chromosome viability genetic load and lethal Allelic Frequency in Drosophila melanogaster in Ewekoro, Ogun State, Nigeria. Journal of Research and Review in Science 2: 178 – 184.en_US
dc.identifier.issn0189 - 8531
dc.identifier.urihttps://ir.unilag.edu.ng/handle/123456789/3576
dc.language.isoenen_US
dc.publisherFaculty of Science, Lagos State University, Ojo, Lagos, Nigeriaen_US
dc.subjectFrequencies, drastics, Drosophila melanogaster, Cement factory, Ewekoro, Nigeriaen_US
dc.titleSecond Chromosome viability genetic load and lethal Allelic Frequency in Drosophila melanogaster in Ewekoro, Ogun State, Nigeriaen_US
dc.typeArticleen_US
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