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Hi, need to submit a 750 words essay on the topic Franklin's Contributions to DNA Research.The eye has two stages of evolution at early and old age. Fovea of the eye has the best evolving characterist
Hi, need to submit a 750 words essay on the topic Franklin's Contributions to DNA Research.
The eye has two stages of evolution at early and old age. Fovea of the eye has the best evolving characteristics and thus it quickly increases in complexity fast than other parts of the eye. This part has a high affinity for light and color sensitivity, especially during the day. The retina of the eye is primitive compared to the fovea. Ladd-Franklin conclusively found that color vision was completely achieved in three phases. The first stage is an achromatic vision where an individual only distinguishes black and white. The second stage an individual differentiates and is sensitive to blue and yellow colors. The third stage a person is sensitivity and clearly distinguishes red and green. Most people have difficulties distinguishing red and green since it is preceding to evolve and comes in old age. The second stage affects a few people because it comes at middle age and where most people are able to live too. The first deficiency in color distinguishing does not affect most people because they successfully grow past this stage. Thus, black-white color blindness does not exist (Scarborough 10).
 .Christine faced serious setbacks in her career life. The most challenging setback comes after she had graduated and thus the worse in her young career life. The major challenge was eviction from a group of well-known experimental psychologists whom the university referred to as the Experimentalists. At Cornell University, chief psychologist Titchener, a male began the association by inviting departmental heads of all psychological laboratories. He also invited established and up-coming junior departmental leaders (Scarborough 13). In addition, he invited students who had graduated before to grace the informal seminar. Christine was disappointed because Titchener did not invite her to the meeting. He further stated that no female would be invited to the launching of the association.
