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प्रश्न
Describe Klinefelter’s syndrome.
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उत्तर
- It is a chromosomal disorder caused by an extra X chromosome in males. Thus genotype of individuals is 44 + XXY. They are described as feminized males.
- The extra chromosome is a result of the non-disjunction of the X-chromosome during meiosis in the formation of the ovum.
- Such an individual is male and has overall masculine development. The voice pitch is harsh and has underdeveloped testis. They are tall with long arms, showing feminine development. Voice pitch is harsh and have under developed testis.
- They are tall with long arms, showing feminine development and no spermatogenesis; therefore, individuals are sterile.
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संबंधित प्रश्न
What is ‘syndrome’?
In which of the following disorders number of chromosomes present is 47?
(A) Turner’s syndrome
(B) Cushing’s syndrome
(C) Acquired Immuno - Deficiency Syndrome
(D) Down’s syndrome
Name a disorder a human suffers from as a result of the monosomy of the sex chromosome. Give the karyotype and write the symptoms.
Identify the INCORRECT statement.
Down’s syndrome is due to ______.
The technique exployed in human genetic counselling is:
“Genes contain the information that is required to express a particular trait.” Explain.
Identify chromosomal disorder caused due to non-disjunction of the 21st number of chromosomes and enlist its symptoms.
Which of the folowing is a correct match?
What are chromosomal disorders?
