The theme is the overall message or feeling/emotion of the poem. For example, if the poem is O Captain, My Captain, the theme is that the people of a nation mourn the death â¦of its leader (Abraham Lincoln). 40 people found this useful.
Color Blindness from Gene Mutations. Inherited color blindness is usually the result of receiving a genetically mutated gene on the X chromosome; however research has shown that mutations that can lead to color blindness originate from in excess of 19 different chromosomes and many different genes.n females, if one X chromosome is defective, the normal one will protect the woman from being color blind. Females who have a defective gene are carriers, their sons have a 50% chance of being color blind, and their daughters have a 50% chance of becoming a carrier.
Color blindness has been known to result from a number of causes: 1  Shaken Baby Syndrome: This can cause retina and brain damage and therefore can cause color blindness in infants and children. The damage is permanent so the effects will be carried on into adult life.