1/4 rr The same answer a 9/16 red, 6/16 brown, 1/16 white a can be obtained from a 4 x 4 Punnett square. 18. ... A 9:7 F2 ratio, as in the case of colored- versus white- flowered sweet peas from dihybrid FiS, is the expected result if at least ... The corresponding ratio of the two phenotypic classes expected from the testcross AaBb x aabb is 1:3. ... A single pair of alleles is involved; black and 476 ANSWERS.
|Author||:||Daniel L. Hartl, David Freifelder, Leon A. Snyder|
|Publisher||:||Jones & Bartlett Publishers - 1988-01|