Fe + CuSO4 → Cu + FeSO4 iron copper sulfate copper iron sulfate

Explain if the reaction of iron and copper sulfate supports the Law of Conservation of Mass. Use evidence and scientific reasoning to support your answer.

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other