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प्रश्न
Give any 'two' names of X-linked diseases
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उत्तर
Colour blindness and haemophilia are examples of X-linked diseases.
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संबंधित प्रश्न
If only one 'X' chromosome is found in a female person, which of the following symptoms she will show?
- epicanthal skin fold
- webbing of neck
- small testis and absence of spermatogenesis
- presence of simian crease on the palm
Name the disorder caused by under secretion of thyroxine in children
The genotype of a person withTumer's syndrome will be:
(i) 44+XXY
(ii) 44+XYY
(iii) 44+XO
(iv) 44+XXYY
Attempt any TWO of the following:
‘The gene for sickle cell anaemia in homozygous condition is lethal and produces sickle cell trait in heterozygous carrier’. Explain.
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.
The person with Turner’s syndrome has ______.
Mental retardation in man associated with sex chromosomal abnormality is usually due to ______.
Why is thalassemia cotegorised as a Mendelian disorder? Write the symptoms and explain the causes of the disease. How does it differ from Sickle cell anaemia?
What are chromosomal disorders?
Which of the following correctly describes the composition of chromosomes in a normal human cell?
