Cataracts are an example of a trait that is influenced by a dominant gene and by

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Cataracts are influenced not only by a dominant gene but also by modifier genes that contribute to the severity and age of onset of the condition. Modifier genes can enhance or suppress the expression of the dominant gene, leading to variation in the phenotype. Chromosomal abnormalities or sex chromosomes do not play a direct role in the inheritance of cataracts.

Cataracts Are an Example of a Trait That Is Influenced