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.
Amla oil is prepared from dried amla berries, which have been soaked in coconut oil for several days in order to extract the oil soluble vitamins from the fruit. This oil is one of the world's oldest, natural hair conditioners renown for rejuvenating hair that is dull and damaged.mla oil is prepared from dried amla berries, which have been soaked in coconut oil for several days in order to extract the oil soluble vitamins from the fruit. This oil is one of the world's oldest, natural hair conditioners renown for rejuvenating hair that is dull and damaged.