Nature

Genome size evolution: Within-species variation in genome size

Although amplification, deletion and rearrangements of various repeated DNA sequences do indeed account for differences in DNA composition, the frequency of such events and their impact on natural ...
Nature

Heterokaryon incompatibility and variation in wild populations of Aspergillus nidulans

Caten, C E. 1965. Asexual systems of variation in fungi. Ph.D. thesis, University of Birmingham Library. Caten, C E, and Jinks, J L. 1966. Heterokaryosis: its ...