Who discusses the significance of the way one holds an object related to handedness?

The discussion of the significance of how one holds an object in relation to handedness is associated with Lamar, who emphasizes the importance of physical characteristics and behaviors as indicators of genetic predispositions. Handedness can serve as a symbolic representation of societal expectations and genetic identity within the context of the film. In "GATTACA," characters are often judged based on their physical attributes, which raises questions about nature versus nurture and how these traits influence personal identity and societal roles. This perspective aligns with the film's overarching themes of genetic destiny and individual choice, making Lamar's insights relevant to the characterization and narrative development regarding the significance of handedness.