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Genes A, B, and C are linked on a chromosome and found in the order A-B-C. Genes A and B recombine with a frequency of 10%, and genes B and C recombine at a frequency of 25%. For the cross a + b + c /abc + × abc / […]

In Drosophila, genes a and b are located at positions 22.0 and 42.0 on chromosome 2, and genes c and d are located at positions 10.0 and 25.0 on chromosome 3. A fly homozygous for the wild-type alleles of these four genes was crossed with a fly homozygous for the […]

Affirmative Action Affirmative action is one of the most controversial topics in employment law. How is affirmative action often presented in the media? How similar is that portrait to the one presented in Johnson v. Transportation Agency, Santa Clara County (Ch 8, p 269)? When are racial preferences permitted? Reference Chapter […]

suppose a broth has 436 million bacteria per milliliter. A serial dilution is made using three bottles of 99 milliliters each. 1 mL is transferred from the sample to the first bottle; 1 mL is transferred from the first bottle to the second; and then 1 mL is transferred from […]