Your yellow-seeded pea plant also has round seeds, another dominant trait. You cross it with a plant that has green, wrinkled seeds. About half have round, yellow seeds while the other half have wrinkled, yellow seeds. What was the genotype of the original plant?

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.