There are more than 30 blood group genes in humans, in addition to the ABO locus. This increases ____ in human populations.
A. genetic variability
B. homozygosity
C. selective mating
D. gene flow
E. founder effects
A. genetic variability
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Immunoglobins associate with the adapter molecules Ig? and Ig?
Indicate whether the statement is true or false.
Which of the following best describes the anatomy of a coenocytic organism?
A. The body is made of a large cell with many nuclei. B. The body cells are organized into welldefined tissue layers. C. The body cells are organized into branching filaments. D. The body is made up of several different types of highly specialized cells. E. The body is a hollow ball of flagellated cells.
What is an example of sensory adaptation of receptors?
A) distinguishing between different colors B) ignoring the shoes on your feet C) thinking about what you would do with a million dollars D) detecting sound and light simultaneously
In the event that your treatment variable is imperfectly multicollinear with one of your control variables, a possible remedy would be to:
A. re-orient your base group. B. gather more data, in hopes of getting more independent variation of the treatment. C. use the within estimator. D. use data reduction methods.