A man known to be victim of haemophilia marries a normal woman whose father was known to be a bleede

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4.Principles of Inheritance and Variation

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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

All their children will be bleeders

Half of their children will be bleeders

One fourth of their children will be bleeders

None of their children will be bleeder

(AIPMT-2000) (AIIMS-1985)

Solution

(b)Since woman is normal and her father was a bleeder means she is a carrier and as she marries a victim of haemophilia so only half of their children will be diseased.

Standard 12

Biology

Choose correct option.

$(i)$ The heterozygous female transmit the disease to son.

$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.

$(iii)$ Mentally retarded.

$(iv)$ Heamoglobin not formed proper amount in blood.

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Mr. Stevan is suffering from haemophilia and cystic fibrosis. His father is hetrozygous for cystic fibrosis. The probability of Stevan's sperm having recessive $X-$linked as well as autosomal allele is

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Pattern baldness, moustaches and beard in human males are examples of

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(AIPMT-2003)

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

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Which one of the following symbols represents mating between relatives in human pedigree analysis?

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(NEET-2023)

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

Solution

Similar Questions

Choose correct option. $(i)$ The heterozygous female transmit the disease to son. $(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure. $(iii)$ Mentally retarded. $(iv)$ Heamoglobin not formed proper amount in blood.

Mr. Stevan is suffering from haemophilia and cystic fibrosis. His father is hetrozygous for cystic fibrosis. The probability of Stevan's sperm having recessive $X-$linked as well as autosomal allele is

Pattern baldness, moustaches and beard in human males are examples of

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

Which one of the following symbols represents mating between relatives in human pedigree analysis?

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Choose correct option.

$(i)$ The heterozygous female transmit the disease to son.

$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.

$(iii)$ Mentally retarded.

$(iv)$ Heamoglobin not formed proper amount in blood.