A genetically predetermined trait is one that is inherited. According to Mendelian genetics, inherited qualities are passed down from generation to generation.
Genes influence inherited traits, and the total set of genes within an organism's genome is referred to as its genotype. The phenotype of an organism is the whole set of observable qualities of its structure and behavior.
Thus, the Gene would be the correct answer.
For more information about inherited traits refer to the link:
https://brainly.com/question/4520267
