What does the EPAS1 gene do (note - there are many other functions aside from the ones discussed in lecture, but we are focused on what was covered in class), and which group of people possess a unique allele of it that increases their environmental fitness?
A. It helps the digestive system to break down carbs more efficiently, and people of Southwestern French descent in the Bordeaux region tend to have a unique allele of it.
B. It causes your fingers to get extra pruney when wet which increases grip for slippery environments, and people of Polynesian descent tend to have a unique allele of it.
C. It improves oxygen transportation, and people of Tibetan descent tend to have a unique allele of it.
D. It alters the reflective properties of eyes to counteract snowblindness, and people of Scandinavian descent tend to have a unique allele of it.
Answer: C. It improves oxygen transportation, and people of Tibetan descent tend to have a unique allele of it.
You might also like to view...
Which of the following is (are) false regarding B
cells with antigen-MHC complexes? a. They are stimulated by helper T cells to secrete cytokines. b. Helper T cells signal them to divide and differentiate. c. On signals from the helper T cells, they produce clones with identical receptors. d. Once activated by signals from helper T cells, they produce IgG, IgA, or IgE immunoglobulins instead of membrane-bound IgM. e. All of these are true.
Which of the following statements does not present a reason that Drosophila melanogaster is a
suitable research subject for developmental genetics studies? a. An abundance of developmental genes is available for study. b. An abundance of mutants is available for study. c. A new mutation can be mapped on the chromosome relatively easily. d. Flies can be easily grown in the laboratory setting. e. The control of fly development is unique and unrelated to human development
In Cell Biology what can limit the progress of science?
a. Lymphocyte b. Progress c. Eating d. Bacteria e. Technology
Briefly discuss the cardiac cycle. Include the time of the phases and what occurs in the atria and the ventricles. Define and use the terms systole and diastole.
What will be an ideal response?