NORMAL AND DEFECTIVE SEEDS 
These seeds are from two segregating ears and show the differences in size of the embryo. 
In this case the defective seeds ‘‘are not shriveled but have a dull opaque appearance.” 
Seeds furnished by R. A. Emerson. (Fig. 14.) 
TABLE SHOWING THE NUMBER OF NORMAL AND DEFECTIVE SEEDS PRODUCED BY THE PARENT 
PLANTS AND THE BEHAVIOR OF THEIR PROGENY. 
Number of seeds of 
: | Number of seeds Number of progeny plants | segregating progeny 
Pedigree number of | ears 
parent ear 
Normal | Defective | Non-segregating) Segregating Normal | Defective 
AQMD se ete en Oe 185 35 4 2 242 AT 
40135 ese eae Caleta LST wen 64 3 4 567 120 
AOE. eee et es RtsA7)> ill) oe 30 4 4 429 147 
10559 ee eee ee ae |S 2 7 1243 407 
1OS=14s05 eee ee ely aiipe en) 9 1 164 42 
LOSZUS ante ee eee OAT? MN pi eis x 3 1 2 387 129 
TWGE I ee Ps ees 356 i01 2 4 697 170 
1 O=12) eee 329 100 3 5 989 342 
110 =15 hepa S MOAT CRI) roe, Ds ess 5 3 731 138 
MON an gates cecil ae eae 2 2 475 171 
INOS Cece s olkene, so cua ie Il yl 2 4 510 138 
2A ee hea || ele MA eee ea 5 1 421 146 
U2 OF ae acai: Fetlllh gs] |e oe ae ee oe 4 i! 288 90 
Roun diva tees iin OM Leesa 46 40 7143 2087 
Expected...........4 1678 | 559 29 57 6922 2308 
Deviation ET Ad eee aad Soi 17 +221 —221 
Probable error....... +13.8 21. +28.1 
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