TABLE 3

Fertility of males carrying T(Y;2)B80 and Df(1)X-1 with X-linked insertions of various rDNA fragments

rDNA insertionNo. of 240-bp repeatsNo. of malesPercent fertileFertility
A. None04400
B. Complete rDNA repeats
[rib7](1A1-4)113571.416.7
[rib7](1A)×2223574.219.9
C. [rib7](1A1-4) deletions
49A55000
U+75322.60.64
7B8559.11.38
HJ+B104770.26.7
2102535.70.28
21185757.92.8
D. [rib10] insertions
12F-16147.10.07
12F-2124940.13.2
16AB6375.40.12
  • Males carrying Df(1)X-1 and T(Y;2)B80 along with the indicated rDNA insertions were crossed singly to two y w females. Fertility is the number of progeny per male, counting both fertile and sterile males.