OpenStax Biology 2e Instructor Answer Guide
Biology
Unit 3: Genetics
Chapter 13: Modern Understandings of Inheritance
Visual Connection Questions
1. In a test cross for two characteristics such as the one shown here, can the recombinant
offspring’s frequency be 60 percent? Why or why not?
No. The predicted frequency of recombinant offspring ranges from 0% (for linked traits) to 50%
(for unlinked traits).
2. Which of the following statements is true?
d. Recombination of the red/brown eye and long/short aristae alleles will occur more
frequently than recombination of the alleles for wing length and body color.
Biology
Unit 3: Genetics
Chapter 13: Modern Understandings of Inheritance
Visual Connection Questions
1. In a test cross for two characteristics such as the one shown here, can the recombinant
offspring’s frequency be 60 percent? Why or why not?
No. The predicted frequency of recombinant offspring ranges from 0% (for linked traits) to 50%
(for unlinked traits).
2. Which of the following statements is true?
d. Recombination of the red/brown eye and long/short aristae alleles will occur more
frequently than recombination of the alleles for wing length and body color.
