A colourblind man has a colourblind sister but a normal brother than phenotype of its parents is

  • A

    Father colourblind and mother normal

  • B

    Father normal and mother colourblind

  • C

    Father and mother both are colourblind

  • D

    Father and mother both are normal

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Given below is pedigree chart showing the inheritance of a certain trait in human. Select the correct option for the given chart

A son of a colourblind father and normal homozygous mother marries to a daughter of normal father and heterozygous mother than their children will be

A man known to be victim of haemophilia marries a normal woman whose father was known to be a bleeder. Then it is expected that

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Represented below is the inheritance pattern of a certain type of trait in humans. Which one of the following conditions could be an example of this pattern?

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What is pedigree analysis? Suggest how such an analysis, can be useful.