Extracts from this document... Introduction. Alice Walker in her novel The Color Purple illustrates a parallel between the gender roles of women in the early 20th century and Black slavery through the life of Celie and her interactions with Albert, as well as with Nettie's experiences in Africa with the Olinka tribe.
A person's blood type is determined largely by genetics, and it does not change through his or her lifetime. A simple blood typing test can be performed literally anywhere by anyone through the use of specially-treated testing cards.One of the main factors that determines blood type is family genetics. person's blood type is determined largely by genetics, and it does not change through his or her lifetime. A simple blood typing test can be performed literally anywhere by anyone through the use of specially-treated testing cards.
What is the part of blood that helps determine the color of blood? A protein pigment called hemoglobin (which has iron molecules in it) determines the color of blood because oxygen combines with the iron in hemoglobin which then causes the blood to rust and turn a red color. The other determining factor is oxygen since the color of blood varies with the amount of oxygen it is carrying.