In simple autosomal inheritance, phenotypic characters are determined, or controlled, by
A) a single pair of alleles.
B) multiple alleles.
C) the action of a single gene.
D) regulator genes on a different chromosome.
E) the genes on the Y chromosome.
A
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Which of the following is NOT a function of the brain stem?
a. reflex control of the heart b. control of cortical alertness c. modulating one's sense of pain d. regulating postural reflexes. e. none of these.
As you look under a microscope you see a nucleus with a large density of nucleolus. What inference can you make about that cell?
A. The cell is preparing for autophagy. B. The cell is preparing to divide. C. The cell is producing a large amount of proteins. D. The cell has a large energy demand.
Which hormone regulates K+ levels, and how does it work?
A. Aldosterone; increases reabsorption of K+ B. ADH; increases secretion of K+ C. ADH; increases reabsorption of K+ D. Aldosterone; increases secretion of K+ E. ANH; increases reabsorption of K+
Which of the abdominal muscles is innervated by spinal nerves T7-T12?
A. Transversus abdominis B. Rectus abdominis C. External oblique D. Internal oblique E. None of these choices is correct.