EXERCISES, LESSON 2
INSTRUCTIONS: Answer the following exercises by marking the lettered response that
best answers the exercise, by completing the incomplete statement, or by writing the
answer in the space provided at the end of the exercise.
After you have completed all the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced with the solution.
What are genes called that appear at corresponding loci in a pair of homologous
What trait is manifested when the alleles are heterozygous?
What is the collective term for a series of alleles which act to produce chemically
related but serologically distinct antigens?
a. A phenotype.
b. Co-dominant traits.
A gene interaction.
d. An immunogenetic system.