What would be the conclusion based on this observation?

States that The gene for eye color is located on the X chromosome. This would be correct because females have two X chromosomes. The eye color phenotype is sex-linked.

This is correct because all of the females have the eye color. This type of question would be asked on a biology test, which is a subset subject of science. It could also be asked on SATs and Act tests to ensure a person correctly comprehends the various aspects of the field of science.