Answer:
the presence of hollow bones
Explanation:
hollow hollow bones are one of the adaptive features in birds which enables them to fly.
I think it is C but i would check Google because idk if i am right. Sorry
Answer:
C- Dominant, but not sex-linked
Explanation:
The disorder is not sex-linked because almost equal numbers of people have Pinocchio nose syndrome. If the disorder was sex linked you would have way more men than women having the disorder.
You can tell that the genetic disorder is dominant because there is a 3:1 ratio for those who have the disorder.
36 out of 47 men ≈0.765
37 out of 53 women≈0.69
These numbers approximate a 3:1 ratio (even if it's not exact), meaning that the disorder is most likely dominant
The answers are following
1)a
2)a
3)d