Answer:
There are two alleles for freckles.
Explanation:
Intertidal...
The Intertidal Zone is the area where the beach meets the water.
The answer would be the second option. The best reason for doing more background research after making an observation and before forming a hypothesis is to prevent making the same mistakes made in a prior experiment. It is to make sure that you are able to see the problems of a research and make an experimental design that will minimize the errors.