ARE PARTICULAR CHRO . DETERMINANT - ' ; 



Boveri II')<KJ</ refers to Baltzer's work as indicative of - 

 determination by partieul.if ehmmo-oir.e- the -hort lu>ok- 

 -haped one-'. Hut in oppo-iiion to \Yil-on'- explanation. he 

 d'M- IK. i lielie\e ih, 'i "in- rhron maK- and the other 



a I'rmalr tendency, luit that they differ only in activity: the 

 larger allosome would givi II a larger power of assimilation, 



and -m h , t \ic\\ "\\ould perhap- In- qualified a Ki-i- 



for a determination." Boring i<io.|< de- 



lied il : . nee in th' f'lmld of a 



fifth, -in. ill chroii: nt, hut \\.i> unal'le to deride 



\\ hi-tlier tin- i- "a i hroino-onu- unit in it -el I. or a I raiment ot one 

 In Ion- i hroin d con-idered it niereK |oilile 



that it mivjit : H"\-:i i 'inld- \}\\> 



i-i.'iial -tru. -ture i" 1-e undoulitedK -e\-letcrniinin;^. a rhio- 

 nio-oiiu- unit that i- in n itta< ln-d to the end of one of 



th. other-. At the -ame time he report- the oeeurremv of a 

 iiiono-oiiie in iln- -perm. i . and ei -in hide-. 



in the sen Wilson: 1 ' nli/ation of an em !> a -pel in with 



li\e ( hloiuo-oii:( - I' de\ elopinent ot a female. li\ a -perm 



with four element- to prodiieiion of a male." 1 



|-in.il!\. in the la-t |>apti on thi- -ul.jeit. |.d\' 

 de- ill" - allo omes in the -pern. 'tain indi\ idu.d- 



ot .! >.nd dm-- not lu -itate t call them sex- 



determinants. 



I 1 -. I'KI \ i it i-\t- MI mi 1 lvr..i in sis. 



In tlu- : n : < lin- \ ored to state, in all 



brevity, the nature ofthe arguments ad\amed to pr..\e that 



paitii-ular allo-oiue- pr.'duee ..in r the other by their 



presence or al-- -m e.\\ he t her liy (jlialitatix or quantitative dif- 

 fereno N"\\ \\e ma\ (on-id. iin olijection- that ha\e 



rai-ed to -ueh interpretation-. 

 I have remained -keptieal \\ith regard to the-e lupothe- 



I ha\e de-rrilied main . - in a -ucre--ion 



i p. i .i> !' ry in iO"-j that "tli' <ii the 



lii -i ..... \ tc ili\ i-ic Hi : . i 



ilarly (! figured Ijy 



IIM- .i! In-i in th<; -.11111- \ 



