In the cross bb x bb, the percent of offspring in the f1 generation that will have the same genotype as one of their parents is

100%

50%

25%

0%

In the cross BB x bb, the percent of offspring in the F1 generation that will have the same genotype as one of their parents is 0%. When you cross BB and bb, all four children will have Bb, which matches neither of their parents.

I’m not really sure

The answer is energy. the arrows are showing how exited and energized the stones are.