Which of the following statements are TRUE? 1. Coenzymes are molecules that bind to an enzyme, changing its shape to help the enzyme receive the substrate thus increasing the rate of the reaction.

2. Inhibitors are molecules that bind to an enzyme either changing its shape or blocking the active site thus decreasing the rate of the reaction.

3. Both the above statements.

4. Neither the above statements.

Red–green color blindness is an x-linked recessive trait in humans. polydactyly (extra fingers and toes) is an autosomal dominant trait. martha has normal fingers and toes and normal color vision. her mother is normal in all respects, but her father is color blind and polydactylous. bill is color blind and polydactylous. his mother has normal color vision and normal fingers and toes. if bill and martha marry, what proportions of children with specific phenotypes would they be expected to produce? the answers only include the proportions of some of the possible phenotypes; other phenotypes are also expected to occur but are not included.