In a genetic cross, a Punnett square is used to determine the possibilities of the genotypes and among the offspring.

True. A punnet square determines the possible genotypes of offspring.

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Blood plasma is the blood constituent which makes up most of the volume of blood. The blood plasma is 55 percent of the total blood and 45 percent is formed by other constituents which includes RBC and WBC. Blood proteins is a part of plasma which means they are less than that of plasma in the blood.