If each have 12 including their selves that would be 13. 13 times 2 is 26 -2 is 24 if your including the parter then it would be 25 not including your self
I think it’s 2.They allow people to avoid experiencing sadness.
Each child has a 25% chance of having brown eyes and a 75% chance of having blue eyes. This is simplified since the other eye color genes (like those that influence green eyes) are being ignored. But it does mean that brown (or green or hazel or…) eyes are a definite possibility for these blue eyed parents