odactyly is arare condition in which the fingers are absent and the hand is split. This condition is usually inherited as an autosomal dominant trait. Ademar Freire-Maiareported the appearance of ectrodactyly in afamily in São Paulo, Brazil, whose pedigree is shown here. Is this pedigree consistent with autosomal dominant inheritance?If not, what mode of inheritance is most likely? Explain your reasoning.