Appendix 4 - Bar Charts of the pSNP Percentage Occupancy in S. cerevisiae by Population Type

a) Bar chart of the S. cerevisiae structured strains, with number of pSNPs against the pSNP occupancy. The boxed section highlights pSNPs with occupancies greater than 10% and less than 90%. The Malaysian, North American and West African strains have very few pSNPs within this boxed area, and these are denoted as structured clean strains. Those strains with a number of pSNPs within this boxed area show a degree of mosaicism, and we classify these strains as being structured mosaic strains. b) Bar chart of S. cerevisiae mosaic strains, where there are a large number of pSNPs within the 10% to 90% occupancy range.