Do most of the complex phenotypes we observe come from a single gene?.

Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

What type of cell is produced after fertilization occurs and the gametes combines ?

How many cells are our body made of ? ♡