Use a Punnett square to help answer the question. In humans, free ear lobes are dominant over attached ear lobes. Two parents who are heterozygous are expecting a child. What is the percentage that the child will have free ear lobes?

Question 2 options:

100%

0%

50%

75%

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

a physical change is being made.