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.
There are two types of monochromacy: 1  Cone monochromacy: This rare form of color blindness results from a failure of two of the three cone cell photopigments to work. There is red cone monochromacy, green cone monochromacy, and blue cone monochromacy.