I thinking the answer was for some genes, both alleles express together. Others combine to give an average phenotype....
Answer:
the chloroplasts in the cells of the leaf
If you want to know how it looks outside of your body then that's when your fingers are wrinkled like if you soak your hands in water or take a long shower or bath that could be when water is entering your cells.
Hope this helps!
Answer:
if sex cells were identical, there won't be genetics variations and we will just all be identical to our parents. genetic variation allows us to better adapt and survive
