The correct answer is "reefs".
Shallow-marine environments are considered to be an area among the shore and deeper water, along with a reef wall or a shelf break. This surroundings is characterized by means of oceanic, geological and organic conditions, as described underneath.
If you didn't forgot to put the letters in caps this is the explanation:
100% of the possible gametes will contain the a alelle.
possible combination of gametes all result in the same: ab or ab
Just to compare if the genotype was Aabb
The gametes would be : Ab or ab
Answer:
25% DD dominant, 25% dd, 50% Dd
Explanation:
If you draw a punett square for it, you’re crossing Dd with Dd, so you’d get half palomino horses and two of each colour (if you had four)