The Y chromosome does not cause color blindness. Colorblindness is a defective gene on the X chromosome. Females have 2 x chromosomes, thus one can serve as a backup for a defective gene. However, the Y chromosome in males is almost totally defective, thus does not have a backup.olorblindness is a defective gene on the X chromosome. Females have 2 x chromosomes, thus one can serve as a backup for a defective gene. However, the Y chromosome in males is almost totally defective, thus does not have a backup.
Kilwa Kisiwani (also known as Kilwa or Quiloa in Portuguese) is the best known of about 35 medieval trading communities located along the Swahili Coast of Africa.
Kiki also known Kiki the Witch is a fictional 13-year-old female witch and the titular main character of Kiki's Delivery Service. Kiki was born in the summer of MCMXLV. She lives with her parents and pet cat, Okino, Kokiri, and Jiji, until the night she decides to leave.