Which of the following problems might arise in a statistical study as a result of a population sample of inadequate size?
A) A non-representative sample
B) Sampling error
C) A non-random sample
D) A sample drawn from a biased subset of data points
E) All of these
E
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After a sperm penetrates the oocyte, the ovum's nuclear membrane disassembles and the two sets of chromosomes approach each other. At this point, the sets of chromosomes are called
A) mononuclei. B) pronuclei. C) gametocytes. D) gametes.
Courts allow patenting complementary DNA (cDNA) because
A) its exact sequence is not in the genome of an organism. B) it cannot be synthesized in a laboratory. C) it is present only in adult humans. D) it represents only the introns of a gene.
The fovea
a. is the blind spot produced by the optic nerve entering the eye. b. is the region of the retina filled with cones that allows the most acute vision. c. is the region of the retina that has the greatest concentration of rods that enable sight under extremely dim conditions. d. focuses light on the retina. e. is the anterior fluid-filled chamber of the eye.
Hemolytic anemia is a disease characterized by:
A) decreased production of red blood cells. B) premature death of white blood cells. C) an overproduction of red blood cells. D) increased destruction of red blood cells.