In what way is spermatogenesis similar to oogenesis?
A. Both result in one or two polar bodies.
B. Both result in four daughter cells.
C. Both result in cells with half the diploid chromosome number.
D. Both occur continuously from puberty on.
E. Both are arrested in prophase I.
Answer: C
You might also like to view...
Chemosynthetic bacteria are unique:
a. in not requiring CO2. b. because they use energy derived from chemicals. c. because they can produce food with low light. d. and are very common in the twilight depths. e. because many forms are also bioluminescent.
Which of the following is associated with the citric acid cycle?
a. ATP synthase b. FADH 2 c. oxygen d. ADP
Which of the following statements about T-cells is NOT correct?
A) Lymphoid precursor cells migrate into thymus and mature into T-cells. B) TH Cells produce granzyme and perforin to lyse the target cells in the adaptive immune responses. C) More than 99% of T cells die in thymus during colony selection. D) T cells undergo both positive and negative selections during maturation. E) T cell receptors contain both variable domain and constant domain.
When comparing the DNA sequences from two individuals, you notice that an adenine at position 513 in one species is a cytosine in the other species. This is an example of:
What will be an ideal response?