Which of the following statements concerning the Rh factor is CORRECT?
A) The Rh antigen is on white blood cells.
B) Eighty-five percent of humans are Rh positive.
C) Preexisting antibodies occur in 85% of the population.
D) Rh antibodies are more abundant than the ABO antibodies.
E) Eighty-five percent of the human population is Rh negative.
B
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A gene pool is
A. the genes that are unique to a species. B. all the genes in a population. C. all the similar genes in a gene family. D. a swimming hole for geneticists. E. a group of species that look alike but are not located in the same area at the same time.
In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). In the F2 generation of a cross between BB ss with bb SS, what fraction of the offspring would be expected to be black and spotted? a. 1/16 b. 9/16 c. 1/9 d. 3/16 e. 3/4
Nucleolus
What will be an ideal response?
This is the correct answer. In analyzing an outbreak of disease, the first thing is to identify the bacterial species involved. Then once you know the species you can move forward to determine if the outbreaks were all caused by the same strain. Which of the following tests can be used to help determine the species involved?
A) Phage typing B) PCR C) DNA fingerprinting D) Gram-staining