Mr. and Mrs. Potato Head get married and have “tater tots”. Mr. Potato Head has a horizontal nose and. Mrs. Potato Head has a vertical nose. Most of their offspring have vertical noses, but one has a horizontal nose. Directions: Write to explain how the scenario is possible. Include the following terminology in your explanation: genes, alleles, phenotype, and genotype. Give the genotypes of the parents and the offspring.
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Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.