Point mutations can occur in any given cell type, but they mostly only affect that one cell and cells produced by it. what cell type, if mutated, would allow the mutation to be passed on to family members for generations?

the index of refraction of the second medium is higher. i just took the test trust me !

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.