Cells regulate uptake nutrients and messenger cargos hope this answered the question
Answer:
Mutations in genetic code occurs when DNA is being duplicated.Any changes in the base pairs leads to mutations by trasition or transversion. Change in amino acid leads to change in sequence and thus, mutation. This si carried on to new generation, if it takes place in germ cells.
Answer:
Because God made it that way :D
Explanation:
I think it would be
C. One of her parents had type B blood and the other type A blood
If I’m wrong I’m sorry...