These are short web investigations with the goal of sparking interest
||Reference(s) [See NOTE below]. Not done.
||How do icefish survive without hemoglobin?
||Wikipedia or UAB site
||Who are the 'Blue people of Kentucky' and why are they blue?
||Powerpoint or Wikipedia
||How is mole blood adapted for survival underground?
||Technical or more basic and another
||Why is red meat 'red' and white meat not-red?
||How are Tibetans adapted to living at the 'roof of the world', where the air is thinner (= less O2)
||Why is the blood of snails, spiders, octopi blue?
||Brief, general or
||What can you learn about the hemoglobin of birds that fly at high altitudes?
||Why don't infants suffer from sickle-cell anemia? (***advanced***)
||Short form: infants use gamma, which is turned off and replaced by beta, which houses the sickle mutation
||The sickle cell anemia allele is very common for a harmful mutation. Why? (***advanced***)
||Sickle cell anemia is treated by administering 'hydroxyurea'. What's going on? (***advanced***)
||The mutation has arisen independently multiple times
References are for instructor convenience; the assignment is designed to develop student search/understanding skills, so I only share the questions with them