A husband and wife have normal vision but fathers of both of them were colour blind. Probability of their first daughter to be colour blind is
A husband and wife have normal vision but fathers of both of them were colour blind. Probability of their first daughter to be colour blind is
- [AIPMT 1990]
- A
$25\%$
- B
$50\%$
- C
$75\%$
- D
$0\%$
Similar Questions
Choose incorrect statement for haemophilia.
Choose incorrect statement for haemophilia.
Haemolytic jaundice is caused due to a dominant gene but only $10\%$ of the people actually develop the disease. A heterozygous man marries a homozygous normal woman; what proportion of the children would be expected to develop the haemolytic disease
Haemolytic jaundice is caused due to a dominant gene but only $10\%$ of the people actually develop the disease. A heterozygous man marries a homozygous normal woman; what proportion of the children would be expected to develop the haemolytic disease
- [AIIMS 1982]
Explain thalassemia.
Explain thalassemia.
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
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
Colour blindness is caused by a single
Colour blindness is caused by a single