A major difference between oogenesis and spermatogenesis is that each cycle of oogenesis results in
A. three viable polar bodies, whereas a single cycle of spermatogenesis produces no polar bodies.
B. a tiny viable egg, whereas a single cycle of spermatogenesis produces four sperm, each much larger than the egg.
C. four viable eggs, whereas a single cycle of spermatogenesis produces only one sperm.
D. only one viable egg, whereas a single cycle of spermatogenesis produces four spermatozoa.
E. three viable eggs, whereas a single cycle of spermatogenesis produces only one sperm.
Answer: D
You might also like to view...
From which embryonic brain region does the medulla oblongata form?
A. Telencephalon B. Myelencephalon C. Metencephalon D. Diencephalon E. Mesencephalon
Hypothyroidism during adulthood can produce which of the following disorders?
a) Acromegaly b) Graves' Disease c) Hypoglycemia d) Cushing's syndrome e) Myxedema
The entire array of protective mechanisms in the respiratory system is called the
A) respiratory immunity. B) macrophage complex. C) respiratory defense system. D) acquired respiratory defense. E) mucus escalator.
Bones serve as fulcrums for muscle action
Indicate whether the statement is true or false