Human skin color is a polygenic trait, which means that multiple gene loci (with different alleles) are involved in its expression. It has been shown that there more than 350 genetic loci involved in determining skin color. Because of that, there is the enormous number of possible genotypes for the skin color and as a result, the phenotypes vary from the darkest brown to the lightest hues. Different populations have different allele frequencies of genes for human skin color, and the combination of these allele variations brings about complex and continuous variation in skin coloration. Natural skin color can change due to exposure to sunlight (becomes darker) and that is the way it adapts to intense sunlight irradiation (protection against the UV exposure).
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A mutation may result change in the way you look, you could lose sight, could be born with some genetic issues.
Chemical reactions that take place inside living things are called biochemical reactions. The sum of all the biochemical reactions in an organism is called metabolism.Metabolism includes both exothermic (energy-releasing) chemical reactions and endothermic (energy-absorbing) chemical reactions.
<span>B) Plant-based diets are usually lower in saturated fat and higher in fiber, which reduces risk of heart disease.
Saturated fats increase the risk for heart disease, so they should be kept lower. Fiber may help reduce overall calorie intake by keeping you full for longer. That way you maintain a healthy weight, which is important for</span><span> reducing </span>cancer<span> risk.</span>
Answer:
Roundworm
Explanation:
Unsegmented kicks out the possibility of A or D. Roundworms are pointed at their ends and have distinct males and females
