CBSE Class 12-science Answered
Name a disorder, give the karyotype and write the symptoms where a human male suffers as a result of an additional X-chromosome.
Asked by Topperlearning User | 16 Jun, 2014, 03:57: PM
Expert Answer
In Klinefelter's syndrome, a human male suffers as a result of an additional X-chromosome. His karyotype is 44+XXY.
Symptoms of Klinefelter's syndrome are
(i) The sex of the individual is male, but the person possesses feminine characters.
(ii) Gynaecomastia, i.e. development of breasts.
(iii) Poor beard growth and often sterile.
(iv) Feminine pitched voice.
Answered by | 16 Jun, 2014, 05:57: PM
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