-How would you describe the gene changes shown in this figure?
A) No genes have changed, since all flies have a gene for the alcohol processing.
B) The number of genes in the population has increased.
C) The frequency of the fast enzyme allele has decreased.
D) The frequency of the fast enzyme allele has increased.

Question

-How would you describe the gene changes shown in this figure?
A) No genes have changed, since all flies have a gene for the alcohol processing. 
B) The number of genes in the population has increased. 
C) The frequency of the fast enzyme allele has decreased. 
D) The frequency of the fast enzyme allele has increased.

Quizplus · Accepted Answer

The frequency of the fast enzyme allele has increased, indicating that more flies in the population now carry this allele compared to before.

-How Would You Describe the Gene Changes Shown in This