Dominance is determined by mating individuals from two different pure-breeding lines and comparing the phenotype seen in the hybrid offspring with phenotypes seen in the homozygous parents.
The term Phenotype includes the form or physical form and structure of an organism, its developmental processes, biochemical and physiological properties, behavior, and products of behavior. type. A person's phenotype is determined by both genetic composition and environmental factors.
The observed traits or traits of an organism are produced by the interaction of genotype and environment: the physical expression of one or more genes Considering modern maize as a tetraploid, Notice how many mutations a single gene causes. profound changes in phenotype.
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