The condition characterized by overproduction of erythrocytes is called
A. anemia.
B. leukemia.
C. hemophilia.
D. thalassemia.
E. erythrocytosis.
E
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Thyroid hormones are structural derivatives of the amino acid ________.
Fill in the blank(s) with the appropriate word(s).
Most sympathetic postganglionic fibers have cell bodies in a sympathetic ganglion ____________________, also called the sympathetic _________
Fill in the blank(s) with correct word
Symptoms characteristic of myxedema include:
a. weight loss. b. swelling of facial tissue. c. atrophied eyelids. d. a receding tongue.
The inheritance of sickle cell anemia involves incomplete dominance. (S determines normal hemoglobin, it is dominant; s is the sickle cell gene). A homozygous recessive person has sickle cell anemia. A heterozygous person has the sickle cell trait. If
parental genotypes are SS and ss, what is the probability of offspring having the sickle cell trait? A) 50%; half are Ss B) 100%; all are Ss C) 25%; one quarter are Ss