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You find a male tribble with plaid fur. When you cross this male with a purebred solid blue female, all the offspring are solid blue. A cross between two of these F1 tribbles produces an F2 generation that is 3/4 solid blue and 1/4 plaid. All of the blue F2 tribbles are male.

Using this info; if the mom is solid blue, determine the father of the following litter.
320 blue plaid 300 pale blue plaid
290 blue solid 310 pale blue solid

#1) male's genotype
#2.) male's phenotype

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