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Genetics - variation, sexuality, and evolution

Boddy, Lynne ORCID: 2016. Genetics - variation, sexuality, and evolution. Watkinson, Sarah C., Money, Nicholas and Boddy, Lynne, eds. The Fungi (Third Edition), Elsevier, pp. 99-139. (10.1016/B978-0-12-382034-1.00004-9)

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Genetics deals with variation and inheritance and forms the basis for understanding why fungi behave as they do. Genetic variations among fungi are considered at the level of the individual, populations, and species, but there are several difficulties in defining fungal individuals. The ability to distinguish self from non-self results from somatic incompatibility mechanisms. Populations comprise assemblages of individuals of a species. The species is the fundamental unit of biological classification, but there are different ways of defining a species, including biological, morphological and phylogenetic, and practical difficulties in delimiting them. Some of the life cycles and sexual processes within the fungi promote outcrossing and others restrict it. Variations between and within species and populations are brought about by microevolution, mutation, selection, gene flow, genetic drift, recombination, transposable elements, horizontal gene transfer, and epigenetics.

Item Type: Book Section
Status: Published
Schools: Biosciences
Subjects: Q Science > QH Natural history > QH426 Genetics
Publisher: Elsevier
ISBN: 9780123820341
Last Modified: 01 Nov 2022 09:37

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