0% 25% 50% 75%
I gave my students this multiple choice question: A student's mother is heterozygous for attached earlobes, a recessive trait. The student's father is also heterozygous for that trait. What is the percent likelihood that this student has attached earlobes?

Only one answer is correct among these 4 choices:
- 0%
- 25%
- 50%
- 75%

Could you tell me which one is correct?

25%