Passage III
The characteristics and genetics of D. pseudoobscura (a species of fruit fly) have been studied extensively. Table 1 shows the average egg production of different races and strains of female D. pseudoobscura at various temperatures throughout their lifetimes.
Table 2 shows the results of a study on testis length in male D. pseudoobscura with different combinations of Race A and Race B chromosomes. Male D. pseudoobscura have one X chromosome, one Y chromosome, two Number 2 chromosomes, two Number 3 chromosomes, and two Number 4 chromosomes.
16. Table 2 does NOT include any male D. pseudoobscura with which of the following combinations of chromosomes ？
Your Answer is
Correct Answer is F
Explanation
Through table 2, you can only see that option F is not included in the table, Number 2: AA, Number 3: BB is not in the table