

3) For a study of free-living populations of the fruit-fly, researchers placed baited traps in two...
3-3. In the fruit fly, Dichaete (D) is a dominant autosomal mutation that affects wing shape; it is lethal when homozygous. Ebony body, e, and rose eye, r, are recessive mutations also located on the same chromosome. Dichaete flies were crossed to pure-breeding ebony, rose flies. Among the F1 were Dichaete progeny with normal body and eye color. Female Dichaete F1 were test-crossed to ebony, rose males, with the results listed below. (Show your work!) A. Write the genotypes of...
Q2) Independent-Samples t-Test (15 points total) In a research project, researchers collected demographic and health data from a sample of elderly residents in the community. To examine any possible gender differences in their sample, they want to see if the females and the males differ significantly on the education level (number of years of formal schooling). The researchers are not predicting any direction in the possible gender differences so the hypotheses should be non-directional. They would like to run a...