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write the 'Expected ratio' based on a XRY x XRXr cross. Use the smallest whole number (e.1 instead of 8:
write the 'Expected ratio' based on a XRY x XRXr cross. Use the smallest whole number (e.g. 4:2:2:1 instead of 8:4:4:2).
male-red eyes; female-red eyes; male-white eyes; female-white eyes