What does the chi-square test tell us about the linkage of two genes?
What will be an ideal response?
We can use the chi-square test to test the hypothesis that two genes are not linked. A chi-square table gives you the statistical significance of the deviation of the observed number of recombinants in a testcross from the expected number of recombinants if the genes are not linked. If the P value obtained is less than 0.05, the observed number is significantly below the expected, and the null hypothesis is rejected.
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If you placed a red blood cell in a hypotonic solution, you would predict that its volume would ____ while the solute concentration in its cytoplasm would ____.
A. increase, increase B. increase, decrease C. decrease, increase D. decrease, decrease E. decrease, not change
One of the two main angiosperm clades, the ____ has about 200,000 species. All members of this group have pollen
grains with three grooves, and most have two cotyledons and net-veined leaves.
a. eudicots b. laurels c. monocots d. water lilies e. magnoliids
Natural selection that shifts the adaptation of an entire populations is
a. stabilizing selection. b. directional selection. c. disruptive selection. d. artificial selection. e. sexual selection.
The antibody class which is involved in fighting parasites is
A) IgA. B) IgD. C) IgE. D) IgG. E) IgM.