Lesson 1, Topic 1
In Progress

Sex-linked traits in human


Short-sightedness: A.K.A. near-sightedness and myopia, is an eye disorder where light focuses in front of, instead of on, the retina. This causes distant objects to be blurry while close objects appear normal.

Atrophy: waste away, especially as a result of the degeneration of cells.

Thalathemia: any of a group of hereditary hemolytic diseases caused by faulty hemoglobin synthesis.