Cooley's anemia is a hereditary disorder characterized by defective production of hemoglobin. which of the following symptoms would a patient with cooley's anemia exhibit?
fatigue and exhaustion that may also exist among her relatives
reduced disease resistance that may also exist among her relatives
fatigue and exhaustion that will not exist among her relatives
reduced disease resistance that will not exist among her relatives

Dwarf galaxies are select one: a. relatively rare. b. not very bright c. mostly spiral shaped. d. none of these.

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?