|
Genotypesa
|
Gonads
|
NPXb
|
NPY [−Sry]
|
Sry
|
PAR [−Sts]
|
Sts
|
Xm
|
Xp
|
Xi
|
|---|
|
[XpO]c
|
F
|
1
|
0
|
0
|
1
|
1
|
0
|
1
|
0
|
|
XpY*x
|
F
|
1+
|
0
|
0
|
2
|
2
|
0
|
1
|
0
|
|
XmXp
|
F
|
2
|
0
|
0
|
2
|
2
|
1
|
1
|
1
|
|
XmY
|
M
|
1
|
1
|
1
|
2
|
2
|
1
|
0
|
0
|
|
[XmXpY*X]d
|
F
|
2+
|
0
|
0
|
3
|
3
|
1
|
1
|
1
|
|
[XmYY*X]
|
M
|
1+
|
1
|
1
|
3
|
3
|
1
|
0
|
0
|
-
aParental sources of the X chromosomes are indicated (Xm: maternal; Xp: paternal)
-
bFigure 3 includes the structure and gene content of the Y*X chromosome
-
cOn a B6 background, these females die in utero [75]
-
dThese XmXpY*X females are mated to XYˉSry males in order to produce the XYˉY*X
Sry males used for Cross B (see Additional file 1)
