Population genetics was a vital ingredient in the emergence of the modern evolutionary synthesis. Its primary founders were Sewall Wright, J. B. S. Haldane and Ronald Fisher, who also laid the foundations for the related discipline of quantitative genetics.
Wheatgrass is a natural source of vitamins and minerals (a few of which are antioxidants) including: 1  Vitamins A, E, and B-12. 2  Calcium. 3  Selenium.4  Magnesium. 5  Iron.heatgrass is a natural source of vitamins and minerals (a few of which are antioxidants) including: 1  Vitamins A, E, and B-12. 2  Calcium. 3  Selenium.
Leaves of plants infected with wheat streak mosaic have a bright yellow streaking. Symptoms are often most severe near the leaf tip. The virus that causes wheat streak mosaic survives in volunteer wheat and is spread by wheat curl mites. The disease is often most severe in areas of a field that are closest to these sources of the disease and mites.