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Sex |
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SEX. The physical difference between male and female in animals.
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In d-rR medaka, white males and red females indicate a phenotypic sex inversion. The inability to detect of sex-specific markers in this kind of limited search could be due to any of the following reasons: very weak correlation between the genotypic and phenotypic sex due to modifiers, high genetic diversity in sex-related regions on genome among the individuals studied, or biallelic and autosomal nature of sex-determining genes (Li et al. John Wiener, a urologist, has suggested defining intersex simply as "a discordance between phenotypic sex and chromosomal sex" (Wiener, 1999), While this definition would cover most true intersex patients, there are some rare conditions which are clearly intersex which are not captured by this definition. |
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