In humans, this sex chromosome is present only in males
[DOC] [TLE] Sex Chromosomes and Sex-Linked Inheritance - Biology Questions [PAR] The homologous portion of human sex chromosomes is the part which contains 
.... that emerge only in men, since individuals of the female sex do not present... [DOC] [TLE] Sex Chromosomes - Biology Encyclopedia - cells, body, human ... [PAR] In the cells of humans and many other organisms the sex chromosomes consist 
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