Genotype frequency: RR is dominant, Rr is heterozygous and rr is recessive.
R^2+2Rr+r^2 = 1
R = 0.85
R^2= 0.85*0.85 = 0.7225
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Viruses reproduce within the living cells of the host and use the cellular machinery to synthesize their own genome and other components. To gain entry into cells, they have developed a variety of mechanisms to introduce their genes and proteins into host cells.
One should obtain hs calories from the food sources which are rich in vitamins and minerals, such as fruits, and vegetables. These are low in carbohydrates and fats, and does not provide unnecessary calories, and have the essential components which help in digestion and absorption of food.