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प्रश्न
Give reasons for the development of Turner’s syndrome and also mention its symptoms.
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उत्तर
Turner Syndrome (X monosomy/XO females):
- It is a sex chromosomal disorder caused due to non-disjunction of chromosomes during gamete formation.
- Individual born with Turner syndrome has 44 autosomes with XO.
- They are phenotypically female. They have short stature (height) and webbed neck, lower posterior hair line, broad shield-shaped chest, poorly developed ovaries and breast, and low intelligence.
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संबंधित प्रश्न
Give an example of a human disorder that is caused due to a single gene mutation.
State any two symptoms of Down’s syndrome.
Which of the following traits is never observed in a human female?
Name a disorder a human suffers from as a result of the monosomy of the sex chromosome. Give the karyotype and write the symptoms.
In human beings 45 chromosomes/single X/XO abnormality causes ______.
The most striking example of point mutation is found in a disease called ______.
A person with 47 chromosomes due to an additional Y-chromosome suffers from a condition called ______.
“Genes contain the information that is required to express a particular trait.” Explain.
It is said, that the harmful alleles get eliminated from population over a period of time, yet sickle cell anaemia is persisting in human population. Why?
Give definition of non-disjunction.
