Which of the following segments is not involved in the formation of a genital pouch in male cockroaches?

Which of the following segments is not involved in the formation of a

1.	Which of the following segments is not involved in the formation of a genital pouch in male cockroaches?
A.	7<sup>th</sup> sternum
B.	9<sup>th</sup> tergum
C.	10<sup>th</sup> tergum
D.	9<sup>th</sup> sternum
Answer» B. 9<sup>th</sup> tergum