Sex Determination (Genetics) |
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| Determination, Sex (Genetics); Determinations, Sex (Genetics); Sex Determinations (Genetics) | |
| The mechanism in a given species, by which the SEX of an individual is fixed. In many species, sex is established at FERTILIZATION by the SPERM that fertilizes the EGG. In human, the Y CHROMOSOME bearing sperm determine production of the male ZYGOTE. | |