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

Neither of his parents have Don's mutation. Don's mutation is present in all of his cells. Both of the parents may have had the recessive gene and passed it on to the child, don.

What are the 4 types of mutation?

• Germline mutations occur in gametes. Somatic modification occur in other body .
• Chromosomal modification are changeovers that alter chromosome structure.
• Point mutations
• Frameshift mutations

Thus, option "C" is correct,  in the sperm or egg cells of his parents.

To learn more about mutation click here:

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