Oct. 22, 1917 
Inheritance Studies in Pisum 
189 
Table 24 .—Inheritance of factors (Bl) and S 
Cross. 
F2 etc. classes and frequencies.® 
Total. 
GIFs. 
GlAs. 
EFs. 
EAs. 
Mummy X Chenille F 2 generation 6 . 
* 3 8 
2 
6 
3 1 
177 
F 3 progeny of F 2 double heter¬ 
ozygote . 
57 
0 
2 
21 
80 
Do.... 
70 
4 
4 
,5 
$3 
Grand total. 
265 
6 
12 
57 . 
340 
Calculated on 8:i c basis.... 
226 
17 
17 
64 
324 
Calculated on no-coupling 
basis. 
189.9 
6 3-3 
63-3 
21. 1 
33 8 
® Data from Vilmorin (1913). 
& "Mummy" has glaucous foliage and free seeds, while "Chenille" has emerald foliage and adhering 
mature seeds. 
c Ratio of noncrossover to crossover gametes approximates 8:1. 
Table 25. —Inheritance of factors A and (Lf) a 
Reference to cross. * 
Fj, Fa, and F4 classes and frequencies. 
Total. 
WE. 
RpE. 
WL. 
RpL. 
P. 277 c .. 
Calculated on 7 :i basis d . 
■Ratio. 
157 
165.9 
4.6 
Si 
I 
IOI 
137 - 4 
3 * 8 
153 
3 
35 
3 6 -3 
I 
153 
3 
522 
469. 2 
12. 9 
459 
9 
•815 
815 
Calculated on no coupling.. 
Ratio... 
8 *S 
P. 281 c . 
P. 281 c.. 
p. 283®. 
Grand total. 
Calculated on 7:1 basis d ,.,, 
67 
59 
387 
16 
21 
104 
16 
26 
121 
2 SS 
197 
I> 3 61 
354 
303 
h 973 
5 i 3 
505 
141 
154 
163 
154 
1,8x3 
1,823 
2,630 
2,636 
®Eatly White-Flowered Dwarf "(X. P.)" XLate French Large-Podded " (G. P.)" and reciprocal. 
$ Data and interpretation from Hoshino (1915). 
c First part of table represents character and frequency of Fs population. For character of other popu- 
latiohs, see Hoshino (1915). 
d Ratio noncrossover to crossover gametes approximates 7:1. 
