50% chance to have an E phenotype, aka the dominant allele E is shown, a 75% chance that the B phenotype will be shown. To compute the chances of each occuring at the same time all you have to do is multiply them. So 1/2*3/4= 3/8 chance that it will show B and E traits 1/8 chance that it will show bE trait, 3/8 chance that it will show Be and 1/8 chance it will show be.
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