With the exception of a few historical examples such as Incan, Hawaiian, and ancient Egyptian royalty, incest taboos universally prohibit sexual relations between which members of a group?

parents and children and siblings

Explanation:

Incest I defined as the human sexual activity between closed relatives or family members. Hence I was prohibited and seen as a taboo in so many part of the world. Probably to avoid breeding with the family or to prevent disorderliness.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.