In genetics, dominance pertains to the property of a gene (or allele) in relation to other genes or alleles. A gene or allele shows dominance when it suppresses the expression, or dominates the effects, of the recessive gene (or allele). There are many forms of dominance: complete dominance, incomplete dominance, and codominance. Codominance is a form of dominance wherein the alleles of a gene pair in a heterozygote are fully expressed.
To protect your skin from harmful UVA radiation, use a suntan lotion with a high sun protection factor. Lotions with plant-based oils, such as vitamin E-rich avocado oil, have enhanced effectiveness. Vitamin E helps prevent premature skin aging due to sun exposure. Remember, there is no such thing as a safe tan.
Sunflower oil is pressed from the seeds of the sunflower. The oil is used as medicine. Sunflower oil is used for constipation and lowering bad LDL cholesterol. Some people apply sunflower oil directly to the skin for poorly healing wounds, skin injuries, psoriasis, and arthritis; and as a massage oil. In foods, sunflower oil is used as a cooking oil.