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प्रश्न
The disease colour blindness is a ______.
विकल्प
Recessive X-linked disease
Dominant Y-linked disease
Recessive Y-linked disease
Dominant X-linked disease
उत्तर
The disease colour blindness is a recessive X-linked disease.
Explanation:
The X chromosome is the location of the gene that is responsible for colour blindness, which is a recessive Xlinked disease.
संबंधित प्रश्न
A woman with normal vision marries a man with normal vision. They have a colourblind son. Her husband dies and she marries a colourblind man. Show the type of children that might be expected from this marriage and the proportion of each.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A colourblind male cannot distinguish any colour.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Cancer is a genetic disorder.
Short Answer Question.
Observe the given pedigree chart and answer the following question.
Give an example of a trait in human beings which shows such a pattern of inheritance.
Haemophilia is more common in males because it is a ____________.
Explain the inheritance of sex-linked characters in human being.
Inheritance of hypertrichosis occurs directly from ____________.
Teena's father bas haemophilia which is an X-linked recessive trait, but her husband has normal blood clotting. What is the chance her son will have the disease?
A normal man marries a female carrier for sickle cell anemia. What are the chances of having carrier children?
