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प्रश्न
During a medical investigation, an infant was found to possess an extra chromosome 21. Describe the symptoms the child is likely to develop later in the life.
During a medical investigation, an infant was found to possess an extra chromosome 21. Tell the symptoms of the child is likely to develop in the life.
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उत्तर
An additional copy of chromosome number 21 (trisomy of 21) leads to Down’s syndrome. The affected individual will have:
- short statured with small round head
- furrowed tongue
- partially open mouth
- broad palm with characteristic palm crease
- retarded physical, psychomotor and mental development
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संबंधित प्रश्न
A child suffering from Thalassemia is born to a normal couple. But the mother is being blamed by the family for delivering a sick baby.
- What is Thalassemia?
- How would you counsel the family not to blame the mother for delivering a child suffering from this disease? Explain.
- List the values your counselling can propagate in the families.
The genotype of a person withTumer's syndrome will be:
(i) 44+XXY
(ii) 44+XYY
(iii) 44+XO
(iv) 44+XXYY
Very Short Answer Question.
Give an example of a chromosomal disorder caused due to nondisjunction of autosomes.
Which of the following characteristics are observed in a person suffering from Turner syndrome?
In sickle cell anaemia glutamic acid is replaced by valine. Which one of the following triplets codes for valine?
Where are the genes for cytoplasmic male sterility in plants located?
Trisomy is represented by ______.
Read the following and answer from given below:
Turner's syndrome is an example of monosomy. It is formed by the union of an allosome-free egg and a normal 'X' containing sperm or a normal egg and an allosome-free sperm. The individual has 2n = 45 chromosomes (44 + X0) instead of 46. Such individuals are sterile females who have rudimentary ovaries, underdeveloped breasts, small uterus, short stature, webbed neck, and abnormal intelligence. They may not menstruate or ovulate. This disorder can be treated by giving female sex hormones to women from the age of puberty to make them develop breasts and have menstruation. This makes them feel more normal.
Turner's syndrome is a/an ______
Clotting of blood is to ______.
Give definition of non-disjunction.
