B lowercase
uppercase is for dominate genes
when replication mistakes are not corrected they may result in mutations which sometimes can have consequences
Answer: The nervous system acts like a highway that transmits information to and from the brain. It communicates what parts of the body might need or not need certain things so that they can be sent to their respective destinations.
This if as far as I can help you the middle one is heterozygous so the homozygous is recessive not dominant in this trait
The correct answer to your question is B, Vitamin D3, I hope this helps let me know.
