Question

Don has a mutation in his genes. Neither of his parents have Don's mutation. Don's mutation is present in all of his cells. Where did this mutation first occur?
a) in any of don's cells. the mutation then spread
b) we cannot know. more information needed
c) in the sperm or egg cells of his parents
d) in don's sperm cells. the mutation then spread

Answer 1

It’s c. both of the parents may have had the recessive gene and passed it on to the child, don.

Answer 2

C: if there is a mutation in his genes, it would come from his parents since they created his DNA