I think it is true because musicians do have to know their instrments and they have to know how to play it how to read the music or if you sing there is a lot more to it. and with athletes they have to have good strength and they have to understand whatever sport they play.
Answer:
erosion and a, weatheri g and b
The father determines if its male or female. So the father is the carrier and the allele is on the Y chromosome.
The number of protons in a neutral atom equals the number of ELECTRONS.
