PLEASE ANSWER ASAP!:) In a breed of dogs, yellow coat color is dominant, while black coat color is recessive,
Which of the following genotypes would produce a black puppy
1) AA
2) Aa
3) aa

A: 3 only
B: 1 and 3
C: 1 only
D: 1 and 2

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.