in what book did hitler say that the genetic heritage of a jews is purportedly traced to the Oriental Negro

Adolf Hitler discusses themes related to racial theories in his book "Mein Kampf," published in the 1920s. However, it's important to note that "Mein Kampf" contains a wide range of extremist views and pseudoscientific theories related to race, including derogatory comments about Jewish people. Hitler's ideologies in this book contributed to the antisemitic beliefs that played a significant role in the Holocaust and World War II. If you are looking for specific quotes or ideas, it's advisable to approach the material with caution and an understanding of the historical context.