Biology · Genetics and Linkage
A geneticist is studying the simultaneous inheritance of two traits represented by alleles A and B. In the dihybrid cross of AABB × aabb, the final distribution of traits in the offspring will demonstrate that ______.
- 1a simple 9:3:3:1 phenotypic ratio will always be achieved regardless of gene position
- 2the inheritance of factor A always completely inhibits the expression of factor B
- 3it is experimentally impossible to track or conduct such a cross
- 4the results depend on whether factors A and B lie on the same chromosome✓
Correct answer
the results depend on whether factors A and B lie on the same chromosome
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