Describe a centromere.
What will be an ideal response?
Is what attaches two sister chromatids.
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What is the frequency of each genotype in the population?
A. AA: 0.09, Aa: 0.42, aa: 0.49 B. AA: 0.49, Aa: 0.42, aa: 0.09 C. AA: 0.01, Aa: 0.90, aa: 0.09 D. AA: 0.111, Aa: 0.378, aa: 0.511 E. AA: 0.21, Aa: 0.42, aa: 0.37
Which of the following can serve as a direct source of nitrogen for plants?
A. nitrogen gas in the air B. amino acids in dead organisms C. ammonia from the decomposition of dead organisms D. denitrifying bacteria in the soil
Which of the following is a fungus infection commonly found on the feet of humans?
A. ringworm infection B. fungus blight C. malaria D. yeast infection
__________ is the heritable variation among individuals of a single population or within the species as a whole?
A. extirpation B. genetic diversity C. natural selection D. species diversity E. coevolution