Which of the following is not true for both male and female gametogenesis?
A. Gametes develop in the gonads.
B. Germ cells multiply by mitosis.
C. Primary cells (spermatocytes and oocytes) are diploid.
D. Gametes are formed by meiosis.
E. One primary cell produces one mature gamete.
E. One primary cell produces one mature gamete.
You might also like to view...
You are a doctor who examines a swollen and warm puncture wound on the hand of a patient. Which is not a response of the patient's immune system to this injury?
A. The adaptive immune system immediately began making lots of antibodies. B. Phagocytes attacked foreign cells that entered the wound. C. The innate immune system triggered an inflammation response. D. Epidermal cell division is inhibited at the wound site.
A patient with a bacteremia identified as E. meningoseptica infection was placed on intravenous penicillin; however, the patient did not improve after 5 days. Which one of the following state-ments explains these findings?
a. The dose was abbreviated and therefore did not have time to work. b. The patient is most likely allergic to peni-cillin and is not responding. c. Penicillin is ineffective against this or-ganism. d. An aminoglycoside should be given along with the penicillin to increase its effects.
The sequence of cells produced during oogenesis is ____
a. oogonium ? primary oocyte ? secondary oocyte ? ootid ? egg b. oogonium ? ootid ? primary oocyte ? secondary oocyte ? egg c. primary oocyte ? secondary oocyte ? oogonium? ootid ? egg d. ootid ? oogonium ? secondary oocyte? primary oocyte ? egg e. secondary oocyte ? primary oocyte ? oogonium ? egg ? ootid
Nitrogen can be obtained from either organic or inorganic sources.
Answer the following statement true (T) or false (F)