How many sperm are produced from one spermatogonium?
A. One
B. Two
C. Four
D. Eight
Answer: C
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What is the name for the space between the lips and the gingiva?
A) palate B) vestibule C) uvula D) lingual frenulum
Mary is tested for the amount of hemoglobin in her blood. The test results indicate that her hemoglobin level is 16 g/dL of blood. This value indicates that
A) she is suffering from anemia. B) she has fewer red blood cells than normal. C) her hematocrit is probably lower than normal. D) she may be suffering from a form of leukemia. E) her hemoglobin level is normal.
The cyclical process of contracting and relaxing of the precapillary sphincters is called ________.
Fill in the blank(s) with the appropriate word(s).
Sex-linked traits are
A. only found in females. B. inherited from one of the sex chromosomes. C. inherited from the X chromosome only. D. only found in males. E. inherited from the Y chromosome only,