genome 8 environment

In this chapter of genome, the author states that genetic inheritance is based on the principles of pleiotropy, pluriasm, and the environment. The tone of the passage of the chapter is a lot different than many other chapters. He states that mendelian leads fellow readers to believe what he wants them to believe. The asthma gene is located in chromosome 5 however their disorder cant be simplified or reduced to a genetic level. Allergies are said to have a close relationship with asthma due based on genetics. Asthma have been increasing throughout the world because of many factors such as pollution by many hazardous chemicals. Hazardous chemicals which include isocyanates, and excessive hygiene. Many scientists hunt on finding the asthma gene and in the end the closest genes that they have found are the ones that produce immunoglobulin as it comes in different types of forms. This gene is involved with the release of histamine and the cause of this gene is basically due to the environment.