Apart from natural variation in a species,due to alternate alleles,abnormality (or disease)disorders are also of interest.Inheritance of autosomal dominant disorders requires ___ to pass on the allele,while inheritance of autosomal recessive disorders requires ___ to pass on the allele for it to be expressed in the offspring.

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Inheritance of autosomal dominant disorders requires either the mother or the father to pass on the allele, as only one copy of the allele is required for the disorder to be expressed. Inheritance of autosomal recessive disorders requires both the mother and the father to pass on the allele, as two copies (one from each parent) are required for the disorder to be expressed in the offspring.

Apart from Natural Variation in a Species,due to Alternate Alleles,abnormality