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प्रश्न
Give an example of a human disorder that is caused due to a single gene mutation.
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उत्तर
Sickle-cell anaemia is a human genetic disorder caused by a single gene mutation. In sickle-cell anaemia, glutamic acid (Glu) at the 6th position of beta globin chain (of haemoglobin molecule) is replaced by valine (Val).
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
Answer the following question.
Both Haemophilia and Thalessemia are blood-related disorders in humans. Write their causes and the difference between the two. Name the category of genetic disorder they both come under.
What is the reason for the 21st trisomy?
Write a note on Down’s syndrome.
HbA and HbS alleles of normal and sickle celled RBC are ______.
Select the incorrect statement regarding pedigree analysis.
Mongolism is a genetic disorder which is caused by the presence of an extra chromosome number ______.
The practice of analyzing inheritance patterns in human beings is called ______
Which disorder affects haemoglobin production?
