I do not seem to understand the last 3 columns of this questions.
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||-1 represent genotype of female 1 in the 2nd generation. ||-2 represent the genotype of the male 2 in the 2nd generation. |||-1 represent male 1 in the 3rd gen (son of the ||-1 and ||-2)
You simply have to make punnett square for each and check for the correct possible outcome.
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Thank you, I appreciate it