It is certain that this bus will either be late or not late, which is a probability of 1 The missing value of a probability can be worked out by subtracting the known probabilities from 1 (100% when ...
Determine the parental genotypes – the allele combinations for the male and female. You can use any letter you like, but select one that has a clearly different lower case, for example: Aa, Bb, Dd.