Products of the Masked Heterozygous Line 



Sji- 



Products of the Normal Heterozygous Li 



^ 



This array in Fz and through subsequent generations 

 continues to breed true to'type" appearing uniform/y as 

 an extracted "sig type ". /s not the same as extracted sig- 

 type of other class of F/ heterozygotes. Tn^e condition 

 of the popu/ation is shotvn in this figure. 



Heterozyg ate 



Diversa. 



Extra ctec/ Fz 

 sig. type 



Pu-Elp-Ac'AcOp-Pu 



Marked Fz 

 Heterozygote 



Pu-Elp -AcAc-Elp-Pii 

 II 



I ■ J- \ V 

 Is/g.-d/i/.^ 



Masked Fz 

 Extracted dii' type 

 Pu-Elp-Ac-AcElp-Pu 



Id/t/.-a/i/.^ 



Extracted Fz sig.type. 

 Breeds true and is 

 pure for characters 

 shoyyn and like 

 parent sig- stock. 



Extracted Ez 

 sig. type 



PuElp-AcAcElp-Pu 



Fz heterozygous type Extracted div. type . 



giyes in /5 duplicate Breeds true and is 



of the Fz array and pure for characters 



■so on. shown and is like 

 parent div. stock. 



Fz heterozygote Extracted Fz 



or mid. type div. type 



PuElp-AiAcElp-Ptj PuElp-Ac-Ac-Elp-eo 



.■ s '^ ^ I.- ^ ^ 



sig rdiv.\ I di v.- di V. 



E, 

 Gametes. 



- Union of these gametes produces a masked /^ array that 

 appear as al/o fthesig-type. True com positions shonvn above. 



'Pu-Elp-Ac Ac'E/pl-Pii AcElp-Pu AcElp-Pw 



^1' r^ ^-\l' 



divr\ V (^'iA (di\/\ V 



^T "T^ Heterozygous Normal type 



s'g. appearing type^ ^ of He terozy^ o te^ 



Union of these gametes produces a typical Fz array of these types 



Pu-Elp-Ac AcElp-Pu Pu-Elp-Ac AcElp-Pu 

 div?\/ fsigi\ (d/vi\y 



E 



Zygotes. 



Pu-Elp-Ac Ac Elp-Pb 

 ^ II 



V 



PuElp-AcAcElp-Pu 

 V 



These gametes when crossed under conditions of experiment 

 gives in E/ two types of heterozygotes in about equal number 



P 

 Gametes. 



hj-ElpAT Af-Elp-Pu 



Pj-Elp-Ai" At°-Elp^u 



y (^di^ f7iv\y 



p 



Zygotes. 



\ 

 PuEio-AfAfElp-Pu 



Pu-Elp-Af/^EIpPa 



L.signaticollis. 



L. dii^ersa. 



Schematic representation of results obtained in crossing L.g ^y^^Es ^j,d character of 



THE same conditions AS SHOWN IN PLATE 9. BUT REPRESENTING BEHAVIOR O 

 combinations which have BEEN SHOWN TO RESULT. 



.lin-IUS BIK" ■•'Til- 



