Is caused by a genetic mutation that results in the production of abnormal hemoglobin. under low-oxygen conditions, the abnormal beta chains link together and form stiff rods that alter the shape of the rbcs. thalassemia sickle-cell anemia polycythemia leukopenia

How are tumors cells different from normal cells

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.