Introduction. The common disease-common variant (CDCV) hypothesis posits that common, interacting disease alleles underlie most common diseases, perhaps in association with environmental factors [1] , [2] .imilarly, The prevalence of the disease in the population is then: and the PAF is: The sibling recurrence risk is given by: where V a is the additive genetic variance divided by Îº 0 2, V d is the dominance genetic variance divided by Îº 0 2 and K = Îº/Îº 0.
Marula oil is extracted from the kernels (nuts) of the Marula tree (Sclerocarya birrea), from the Anacardiaceae family.arula oil contains a large proportion of monounsaturated fatty acids and natural antioxidants which make the oil very stable.
Amarula is a cream liqueur from South Africa. It is made with sugar, cream and the fruit of the African marula tree (Sclerocarya birrea) which is also locally called the Elephant tree or the Marriage Tree. It has an alcohol content of 17% by volume.lephants enjoy eating the fruit of the marula tree. Because of the marula tree's association with elephants, the distiller has made them its symbol and supports elephant conservation efforts, co-funding the Amarula Elephant Research Programme at the University of Natal, Durban.