Glaucoma is a polygenic feature controlled by the expression of multiple alleles of several genes.
A polygenic trait is a phenotypic feature (in this case, a disease) controlled by three or more genes.
Glaucoma is polygenic because mutations in different genes (e.g., PLEKHA7, PCMTD1, COL11A1) have been associated with this condition.
Polygenic traits show quantitative variation and they are generally influenced by the environment.
In conclusion, glaucoma is a polygenic feature controlled by the expression of multiple alleles of several genes.
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