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प्रश्न
Why are sex linked recessive characters more common in the male human beings?
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
Name the Following
The type of gene which is not expressed in the presence of a contrasting allele.
Two pairs (A & B) of rabbits were crossed, as given below:
- Can you tell which coat colour (black or white) is dominant?
- Is the coat colour sex-linked?
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.
What does the child 1 indicate about this trait?
What are X-linked genes?
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.
What is cris-cross inheritance?
Explain the inheritance of sex-linked characters in human being.
If a woman has an allele for an X-Linked condition i.e. haemophilia, on one of her X chromosomes then this chromosome can be inherited by ______
The criss-cross pattern of inheritance is observed in ____________.
In which of the following case colour blind daughter will be born?
Both male and female have normal vision though their fathers were colour blind mothers did not have any gene for colour blindness. The probability of their daughter becoming colour blind is ______.
If a normal visioned woman marries a colour blind man then, ______,
Holandric genes are found only in ____________.
Which of the following is CORRECT with respect to sex-linked genes?
Holandric genes are located ______.
Given diagram is a simplified representation of human sex chromosome. The gene A and B could be of ______.
A plant with red flowers was crossed with another plant with yellow flowers. If F1 showed all flowers orange in colour, explain the inheritance.
If the mother is normal and the father is haemophilic, then their two daughters will be ______.