You have four guinea pigs for a genetic study. One male and one female are from a strain that ...

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monohybrids Cross the true-breeding short brown-furred and long white-furred guinea pigs to create an F1
population. According to the hypothesis, all of the F1 should be I:] and have
I:] fur. To test that they are l:] , we will cross male F1 with female F1 to
produce F2 guinea pigs. According to the hypothesis, the expected fur length and color in the F2
dihybrids
long brown
should be short brown-turred; l:] short white-furred; I:]
long brown-furred; and long white-furred. Since larger numbers of progeny increase
the likelihood that the observed phenotypic distribution will match that which is expected, cross both
sets of pure-breeding parents to create 24 F1 progeny and intercross all the F1 (12 crosses) to
144 F2