About 3,000 years ago, the Tibetans were a group of Han Chinese peopel that moved into the high elavation Himalayan mountains and became isolated fromt he lowland human populations for many generations. When researchers compared genetic information of Tibetans to Han Chinese populations, they discovered many genetic differences. Which of the following genes is most likely the reason Tibetans have higher oxygen saturation?
A. TP53, which helps cells control the cell cycle and prevent tumors
B. EPAS 1, which helps in the production of hemoglobin to transport oxygen in the blood
C. MCR1, which helps cells produce the pigment melanin the darkens skin
D. BRCA1, which helps cell repair damage to DNA
1 answer
B. EPAS 1, which helps in the production of hemoglobin to transport oxygen in the blood
1 answer