Illustration of a karyotype showing Klinefelter's syndrome. It is a common chromosomal abnormality in which one or more extra X-chromosomes are present in a male. It results in small testicles and the inability to make sperm. Affected males may have learning disabilities and/or behaviour problems. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Schroeder, Monica |
Bildgröße: | 3570 px × 2769 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |