A spermatocyte produces the following four sperm cells. n +1 n+1 n-1 n-1 These cells are the result of nondisjunction during which of the following phases?
(A) Interphase (G1 or G2)
(B) Interphase (S)
(C) Mitosis
(D) Meiosis I
(E) Meiosis II
Ans: (D) Meiosis I
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Red marrow is located in the area indicated by
a. A. b. B. c. C. d. D. e. E.
What process, which is responsible for many trinucleotide repeat disorders, alters the number of DNA repeats?
What will be an ideal response?
The genus Veillonella is unusual because it grows well on organic acids such as lactate and pyruvate, but is normally unable to ferment glucose and other carbohydrates.
Answer the following statement true (T) or false (F)
Chromoblastomycosis
A. is a systemic infection. B. is a serious respiratory tract infection. C. is caused by dimorphic fungi. D. has a peak incidence in Alaska. E. is caused by saprobes with dark-pigmented mycelia and spores.