1. of or relating to genes or genetics; concerning heredity and inherited traits
Usage: Less common than the adjective 'genetic'; both forms are standard but 'genetic' is preferred in modern usage

Examples

• Genetical research has revealed new insights into how traits are passed from parents to offspring.
• The genetical basis of the disease was finally understood after decades of study.
• Scientists use genetical analysis to trace family lineages and ancestry.
• Genetical factors play a significant role in determining eye color.
• The genetical code contains the instructions for building and maintaining living organisms.