Discussion Question 1 Outbreak of Cyclosporiasis in the United States Cyclospora cayetanensis is a single-celled parasite that causes an intestinal infection called cyclosporiasis. As of August 26, 2014 (5pm EDT), CDC had been notified of 304 ill persons with confirmed Cyclospora infection in 2014; of these, 207 ill persons from […]

Digestive System 1. What is digestion?2. How different are extracellular and intracellular digestion? What is the evolutionary advantage of extracellular digestion?3. How is extracellular digestion related to tissue and cellular specialization?4. What is the difference between an incomplete digestive and a complete digestive system system? How are these types of […]

In humans, normal color vision vs. color blindness is determined by alleles C (normal) and c (color-blind) at X linked chromosomes a. Can a normal daughter have a color-blind father? A color blind mother? b. Can a normal son have a color blind father? A color-blind mother? c. Can two […]

In fruit flies, the gene for eye color is sex-linked (X-chromosome) and red eye color is dominant over white. The gene for body color is an autosomal trait with gray dominant over black. A heterozygous red-eyed, pure-bred gray female mates with a heterozygous gray male who has red eyes. What […]