1. The inheritance of short versus long coat length was investigated in horses from a population in New Mexico. 1a. Several matings between different pairs of horses with short manes consistently produced all short-maned progeny. Can we conclude from these results that the allele for long manes is recessive? Explain. 1b. Several different matings between pairs of short and long-maned horses yielded both F 1 short and long-maned progeny. Can the mode of inheritance be determined from these data? Explain. 1c. Matings between the F1 short-maned horses (who are offspring of matings between short and long-maned parents) occasionally produced a long-maned horse. Can the mode of inheritance be determined from these data? Explain.

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