When two Hybrid Black (Bb) guinea pigs are crossed, the potential offspring can exhibit three possible genotypes: BB, Bb, and bb. The BB and Bb genotypes produce black fur, while the bb genotype results in a different color, typically brown or cream. The expected phenotypic ratio for the offspring would be approximately 75% black (BB or Bb) and 25% non-black (bb). Thus, most of the offspring will be black.
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