Kevin has his mother’s blue eyes and her shyness, which can both be attributed to
a. habits
b. heredity
c. environment
d. culture

The correct answer would be heredity. As Kevin was getting his genes - Blue eyes are usually less likely to brown eyes in the equation. Anyway, if Kevin's mother had a very strong gene for the blue eyes dna strand , then Kevin would get the blue eyes. As Kevin was growing up, he most likely tried to be like a familiar figure. Which in this situation is his mother.