Answer:
A) phenotype
Explanation:
Phenotype is the physical make up of an individual. The phenotype of an individual is controlled by the individuals genetic make up and his environment. If the individual for example possesses the gene for height but grew up in a poor environment where is nutritionally need is hardly met, he may not grow as tall as he has been genetically wired to, his environment has influenced him. Height, skin colour, hair colour, weight are examples of phenotypic traits.
