Question

Glaucoma is a leading cause of blindness. Studies have linked a common form of glaucoma to three genes and more than 20 genetic loci. Which best describes glaucoma?

Answer 1

Glaucoma is best describes as a mutation 

Answer 2

Glaucoma is polygenic trait.

Step-by-step explanation:

As per given information, Glaucoma disorder is a phenotype regulate by three genes and more than 20 genetic loci. A genetic trait that is regulated by more than one gene is called polygenic trait.

Here, Glaucoma is regulated by three genes. This makes it a polygenic trait. The phenotype depends on the total number of dominant alleles of all the three genes.