Cross a heterozygous purple flower with a homozygous white flower. assume purple is dominant to white. what is the resulting genotypic ratio?
a) 2: 2
b) 3: 1
c) 1: 2: 1
d) none of these

Will camels hump ahrinks. give reason

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.

How would you describe an allele that be expressed and determines an organisms appearance? a. uncapitalized b. responsive c. recessive d. dominant