In the example above, what is the probability
that this couple will have a normal child?
a. 0
b. 1/4
c. 1/3
d. 2/3
e. 1/2
C
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Integrins are integral membrane proteins. They are often attached to _____
A) the membranes of intracellular organelles B) cytoskeletal proteins and proteins in the extracellular matrix C) the outside of the plasma membrane D) glycogen molecules and other types of cellular inclusions
The attraction of leukocytes to the area on inflammation is referred to as
A. parasitism. B. infection. C. phototaxis. D. chemotaxis.
Which of the following is most likely to decrease genetic variation?
A) directional selection B) mutation C) stabilizing selection D) diversifying selection
Mitochondrial DNA profiling is useful in developing DNA profiles from samples that are in less than ideal condition. What is a major limitation of using mitochondrial DNA profiling?
A) It is not possible to differentiate between maternal relatives. B) It is useful in identifying victims of disasters when relatives are available for reference. C) It is possible to differentiate between maternal relatives. D) It is present in high copy number.