Answer:
BB is blue
bb is red
Bb is patchwork
Explanation:
It can't really be codominant since lowercase letters are recessive, and condomance needs 2 dominant alleles of a different types. So really it should be BB for blue, RR for red and BR for patchwork...
The answer would be A. thick filaments!
I believe the answer is B - point source comes from a specific site, non-point comes from many sources
The common passageway shared by the respiratory and digestive system is the pharynx