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You are investigating the Bmp4 gene, which is involved in beak development, in the Darwin's finch Geospiza fortis. You find a DNA polymorphism, a single-base difference between two alleles at this locus.
a) Does this polymorphism necessarily have an effect on the phenotypes of the birds of this species? Justify your answer.
b) DNA samples have been saved from the G. fortis that lived on the island of Daphne Major. The samples were taken from birds that lived before and after the severe drought that Peter and Rosemary Grant investigated. How could you see these samples to investigate the relationship between the Bmp4 polymorphism that you have discovered and the phenotypic differences that the Grants saw in the birds before and after the drought? Would your experiment prove that there is (or that there is not) a connection between the polymorphism and the phenotpyic difference? Why?
The P value is a quantitative expression of the probability that results of another experiment of same size and structure will deviate as much or more from expected results through chance.
Diatoms are mostly asexual members of the phytoplankton. Diatoms lack any organelles that might have the 9+2 pattern. They obtain their nutrition from functional chloroplasts, and each diatom is encased within two porous, glasslike valves.
the bacterial toxins generated by the infecting organisms can trigger complex reactions of the immune system including
fully answer the two questions below. please use evidence to support your answers and cite all sources used in your
A salad contains lettuce, eggs, bread crumbs, and olive oil. Describe two macromolecules contained in this salad and their effect on the human body
What is the molarity of the drug in he Petri plates?
Describe the changes in ventilation that occur during exercise. Explain how these changes are produced and how they affect arterial blood gases and pH.
The panspermia hypothesis proposes that life did not originate on Earth, but instead arose else where in the galaxy.
A clerk in a health-food store tells you“natural” vitamin C extracts are better than synthetictablets of this vitamin. Given what you know about the structure of organic compounds, what would be yourresponse?
In a cross of two pure-breeding lines of tomatoes producing different fruit sizes, the variance in grams(g) of fruit weight in the F1 is 2.10 g, and the variance among the F2 is 6.00 g.
the hartley-davis motorcycle dealer in the minneapolis- st. paul area wants to be able to forecast accurately the
Have you ever thought of how you would describe everyday positions using medical terminology? Unit 2's reading introduces you to the world of patient positioning, body quadrants.
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