Blonde hair is due to a recessive gene, while brown hair is dominant. Agnes has brown hair, but her mother was a blonde. Ralph, her husband, has brown hair also, and his father was blonde. Is it possible for Ralph and Agnes to have blonde children? If so, what percentage?

Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.