Answer:
1. put bb above the box and Bb on the left side then fill out with the variations Bb,Bb,bb,bb one phenotype is brown which is Bb genotype the other is blue witch is bb genotype
2. Do the same as you did for one
Explanation:
I believe it Should be 180
Answer:
There is not exactly a specific benefit to the pattern.
The radial pattern found on certain shells are created when the creature living inside grows bigger. As it grows, is builds the shell bigger layer by layer, creating the patter-like design of the shell