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प्रश्न
Why are sex linked recessive characters more common in the male human beings?
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उत्तर
Sex linked inherited traits are more common in males than females because, males are hemizygous and therefore express the trait when they inherit one mutant allele.
संबंधित प्रश्न
Choose the correct answer:
Haemophilia is due to recessive gene on __________
A family consists of two parents and their five children and the pedigree chart shown below shows the inheritance of the trait colour blindness in them.
How many daughters and how many sons have been born in the family?
A family consists of two parents and their five children and the pedigree chart shown below shows the inheritance of the trait colour blindness in them.
Name one other trait in humans which follows a similar pattern of inheritance.
Give Technical Term:
Name a genetic disease in which a person cannot distinguish red and green colour.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Colour blindness is a Y-linked character.
Short Answer Question.
Observe the given pedigree chart and answer the following question.
Identify whether the trait is sex-linked or autosomal.
Long answer type question.
In the answer for inheritance of X-linked genes, Madhav had shown carrier male. His answer was marked incorrect. Madhav was wondering why his marks were cut. Explain the reason.
Long answer type question.
Explain cris-cross inheritance with suitable example.
What is cris-cross inheritance?
The genes present on non-homologous part of Y-chromosome are called ____________.
