Humus consists of chic peas
In codominance there is neither dominant or recessive. Both are show in the offspring. For example, with blood if a parent has A and the other has B the offspring with codominance is AB.
I would say that Melissa has made the mistake of using the same uncleaned cutting board first for cutting up chicken which is notorious for forming bacteria quickly when out of the fridge and then chopping vegetables on it thus running the possibility of contaminating the vegetables with chicken bacteria. She should ensure she washes the cutting board carefully with soap and water to avoid contamination of the vegetables.
The metabolism converts nutrients into energy or materials for growth, reproduction, repair, and maintenance.
:)