An example of an incomplete dominant trait, a codominant trait, and a sex-linked trait?

If two plants were crossed to produce a yellow and blue flower, and if the alleles of the gene responsible for petal color were dominant in nature, the flower produced by the progeny plant would either be yellow with blue spots or blue with yellow spots. http://www.softschools.com/examples/science/codominance_examples/477/

Sex linked Trait ; Red-green colorblindness – Inability differentiate between read and green  

http://kmbiology.weebly.com/sex-linked-traits---notes.html

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