Give scientific reasons : human male never passes on gene for haemophilia to his son.

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4.Principles of Inheritance and Variation

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Give scientific reasons : The human male never passes on the gene for haemophilia to his son.

Option A

Option B

Option C

Option D

Solution

The gene for haemophilia is present on $X$-chromosome. $A$ male has only one $X$-chromosome which he receives from his mother and $Y$-chromosome from father. The human male passes the $\mathrm{X}$ chromosome to his daughters but not to the male progeny (son).

Standard 12

Biology

Given is : $X$ is the chromosome with gene for haemophilia and $X$ is the chromosome with normal gene. Which of the following individuals will act as carrier for haemophilia

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Which one of the following symbols and its representation, used in human pedigree analysis is correct ?

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(AIPMT-2010)

A man with normal vision whose father was colourblind marries with women whose father was also colourblind. Suppose their first child is daughter then what are the chances of this child to be colourblind?

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Which disease is genetically linked

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Recessive characters are expressed

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Give scientific reasons : The human male never passes on the gene for haemophilia to his son.

Solution

Similar Questions

Given is : $X$ is the chromosome with gene for haemophilia and $X$ is the chromosome with normal gene. Which of the following individuals will act as carrier for haemophilia

Which one of the following symbols and its representation, used in human pedigree analysis is correct ?

A man with normal vision whose father was colourblind marries with women whose father was also colourblind. Suppose their first child is daughter then what are the chances of this child to be colourblind?

Which disease is genetically linked

Recessive characters are expressed

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