The interaction between phenotype expression and the environment is an example of enviromental influences
Phenotype exists in the same population of species called polymorphic. Polymorphism which documents Labrador Retriever colouring and genes which depends on the coated colour. Anything which depends on phenotype is genotype which includes genetic material codes molecules and structures which are not visible.
Answer: B membrane bonded nucleus
Explanation:
The frontal lobe takes about 1/3 of the cerebral cortex.