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प्रश्न
Give Reason:
Hemophilia shows criss-cross inheritance.
उत्तर
The gene that causes hemophilia is recessive and lies in the X-chromosomes.
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संबंधित प्रश्न
Differentiate between:
character and trait.
Choose the correct answer:
A colour blind woman marries a normal man, in the progeny _________
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.
A haemophilic man marries a carrier women. Find out the probability of their offsprings being haemophilic.
Very Short Answer Question.
What are holandric traits?
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.
A marriage between a colourblind man and a normal woman produces ____________.
Why are sex linked recessive characters more common in the male human beings?
A plant with red flowers was crossed with another plant with yellow flowers. If F1 showed all flowers orange in colour, explain the inheritance.
