136 THE GLANDS REGULATING PERSONALITY 



chromosome. In man, two X-chromosomes have been discovered, 

 half the sperm containing 12, and the other half containing only 

 10 chromosomes. The number of chromosomes in human cells 

 consequently is 22 in the male and 24 in the female. 



The X-chromosome is the bearer of sex destiny. There still 

 remains the work to be done on the actual control of sex by 

 man, apart from its natural determination. For the time being, 

 let the feminists glory in the fact that they have two more 

 chromosomes to each cell than their opponents. Certainly there 

 can be no talk here of a natural inferiority of women. 



The Secondary or Endocrine Sex Traits 



Yet the matter is after all not so simple as this would make it 

 out to be. All that can be safely laid down is that the character 

 of the reproductive organs is determined by the extra chromo- 

 somes. And though these reproductive organs have a good deal 

 to do with the masculine or feminine quality of the organism as a 

 whole, through their internal secretions, they are not alone. All 

 the other internal secretions have their say in the final outcome, 

 determining what may be called the dominant sex quality, but 

 leaving inherent the latent soil of the other sex. This may 

 become active and dominant in its turn, under certain conditions 

 of stimulation, abnormality, or disease, dependent upon a re- 

 arrangement of status and influence among the ductless glands. 

 Bisexuality preceded monosexuality in the animal pedigree, and 

 co-exists with it even at the highest points of the genealogical 

 tree. 



While from the standpoint of the species, the criterion of the 

 sex classification of its members will depend upon their capacity 

 to fertilize or to be fertilized, a quality that may, therefore, be 

 spoken of as the primary sex character, a number of other traits 

 have been evolved by sexual selection, the secondary sex traits. 

 They have come to be just as important, to the individual, as far 

 as his or her consciousness of sex attitudes and reactions to it are 

 concerned. The terms primary and secondary sex characteris- 

 tics, though inapt, must be allowed to stand. 



These accessory sex-serving traits undoubtedly survived be- 

 cause of their usefulness in external adornment for attracting 

 attention in courtship, in the metabolic requirements of sex com- 

 bat and the sex act, and in the necessities of caring for the 

 young, until well-grown. The rooster's comb and spurs, the male 



