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For a son to be haemophilic,...

For a son to be haemophilic,

A

the mother must be haemophilic.

B

the father must be haemophilic

C

the mother may be haemophilic or carrier for haemophilia .

D

the father may be haemophilic or carrier for haemophilia.

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The correct Answer is:
C
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A haemophilic man marries a normal homozygous woman. What is he probability that their son will be haemophilic ?

A couple had a son who was haemophilic along with a normal daughter. The daughter then grew older and was married to a man who was normal. They daughter had a haemophilic son. Study the pedigree chart given above and find out the correct analysis-

Which of the following statements are true related to the given figure? (I) When a daughter has one haemophilic gene, she is a carrier. (II) When the son has one haemophilic gene, he is diseased. (III) When the son has one haemophilic gene, he is not diseased. (IV) When a daughter has one haemophilic gene, she is not a carrier.

A cross between a normal couple resulted in a son who was haemophilic and a normal daughter. In course of time, when the daughter was married to a normal man, to their surprise, the grandson was also haemophilic. a) Represent this cross in the form of pedigree chart. Give the genotypes of the daughter and her husband. b) Write the conclusion you draw of the inheritance pattern of this disease.

A haemophilic man marries a woman whose mother was normal but her father was haemophilic.What percentage of children would be there to be haemophilic ?Explain with necessary crossing.

A normal couple has their first child, who is haemophilic. Work out a cross to show how it is possible. State the possibility of the normal and the haemophilic children, along with their sexes, that can be born to them.

Of a normal couple, half of sons are haemophilic and half the daughters are heterozygous. The gene for this disease in couple are located on

Assertion (A) : Haemophilia is an autosomal disorder. Reason ( R): A haemophilic father can never pass the gene for haemophilia to his son.

The daughter born to haemophilic father and normal mother could be

The daughter born to haemophilic father and normal mother could be

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