Concept
Version 12
Created by Boundless
Sex-Linked Traits
Human male karyotype
A human males possesses XY chromosomes, as seen in the bottom left of this karyotype. The Y chromosome is much shorter than the X chromosome, unlike all of the other homologous chromosome pairs.
Source
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"Human_male_karyotpe_high_resolution.jpg."
https://commons.wikimedia.org/wiki/File:Human_male_karyotpe_high_resolution.jpg
Wikipedia
Public domain.