Answer:
True.
Explanation:
The hedgehog gene has the same role in humans and in fruit flies because this gene gives instruction to make proteins that are essential for the growth and development of the body. Genes have the recipes for making of proteins of all type. Genes have the same function in all type of organisms which is to give instructions to the cells for making proteins necessary for the growth, development and survival of that organism.
It depends .. if its about cancer it will effect the organism eventually but in general our body recognizes the mutated cells and kills them . After sperm and egg fuses if the mutation occurs it can effect the growing baby ..
250 billion ± 150 billion