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OCR: Roll over numbered characteristics to see specified areas on the pedigree. The following features, many I of which are illustrated in this pedigree, are characteristic of 2 recessive autosomal inheritance: II 1 The trait tends to skip generations. 1 2 3 4 5 6 2. Both sexes are affected equally. III 3. Unaffected parents can have an affected child. 1 2 3 4 5 6 8 4. Tyo affected parents produce all affected IY off spring. 5. One unaffected parent - 2 and one affected parent usually produce all unaffected children. 6. The trait is more frequent 1 2 3 4 in the offspring of related parents. Examples include cystic fibrosis and albinism. explore characteristics