A child has brown hair and brown eyes. His father has brown hair and blue eyes. His mother has red
hair and brown eyes. The best explanation for the
child having brown hair and brown eyes is that
a. A gene mutation occurred that resulted in
brown hair and brown eyes
b. Gene expression must change in each
generation so evolution can occur
C. The child received genetic information from
each parent
d. Cells from his mother's eyes were present in
the fertilized egg