QUEEN'S BIOLOGY MCIB SEMINAR SERIES
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Seminar series of the Molecular, Cellular & Integrative Biology
research groups at Queen's University

Tues, Nov 27, 10:30am, Rm 1103// Animal Genomes, Large and Small (EEB talk of interest to MCIB)

11/14/2018

 
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Dr. T. Ryan Gregory, Dept. Integrative Biology, Univ of Guelph
​The extraordinary diversity in genome sizes (haploid nuclear DNA contents, or “C-values”) among eukaryote species has remained a major puzzle in genetics for over 60 years.  The size of a genome size bears no relationship to the number of coding genes it contains or to the complexity of the organism in which it is found, a finding so surprising to early researchers that it became known as the “C-value paradox”.  While the discovery of non-coding DNA has solved this paradox, it has raised a series of new questions regarding the origins, mechanisms of spread and loss, phenotypic consequences, and reasons for differential abundance of non-coding DNA in different species.  This seminar explores these questions, with a particular emphasis on the connection between genome size and such important phenotypic characteristics as cell size, body size, metabolism, and development in animals.  

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