Explain the cause of Klinefelter’s syndrome. Give any four symptoms shown by sufferer of this syndrome.
Solution:
The child suffering from klinefelter 's syndrome are with 47 chromosomes as compared to the normal number of chromosomes. This takes place due to the combination of A+XX ovum and A+Y sperm.So the zygote contains 2A+XXY chromosomes. Here XX chromosomes suppresses the effect of Y chromosome that is responsible for the expression of male characteristics. In this way male with a feminine characters develops.
Symptoms-
1. The development of testes is not proportionate with respect to age.
2. Hair and appearance are like that of female.
3. Man becomes sterile due to low androgens level in blood.
4. Mammary glands development is seen.
The child suffering from klinefelter 's syndrome are with 47 chromosomes as compared to the normal number of chromosomes. This takes place due to the combination of A+XX ovum and A+Y sperm.So the zygote contains 2A+XXY chromosomes. Here XX chromosomes suppresses the effect of Y chromosome that is responsible for the expression of male characteristics. In this way male with a feminine characters develops.
Symptoms-
1. The development of testes is not proportionate with respect to age.
2. Hair and appearance are like that of female.
3. Man becomes sterile due to low androgens level in blood.
4. Mammary glands development is seen.