Cliff has colorblindness and icthyosis, which causes scaly skin. both traits are x-linked recessive. the probability that he transmits both traits to his sons is

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products

the answer is c on e2020, bud.