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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
Why is pedigree analysis done in the study of human genetics? State the conclusions that can be drawn from it.
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
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What do sex linked traits appear in males than in females?
Give an account of one Mendelian and one chromosomal disorder you have studied.
Identify I and II in the given diagram of chromosome.
A short stature with webbing of neck and low posterior hairline indicates ______ syndrome.
Females with Turner’s syndrome have ______.
The technique exployed in human genetic counselling is:
Which of the folowing is a correct match?
