A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind ?
A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind ?
- [NEET 2015]
- A
$Nil$
- B
$0.25$
- C
$0.5$
- D
$1$
Similar Questions
In the given pedigree, indicate whether the shaded symbols indicate dominant or recessive allele.
In the given pedigree, indicate whether the shaded symbols indicate dominant or recessive allele.
A colour blind man marries the daughter of a colour blind person. Then in their progeny
A colour blind man marries the daughter of a colour blind person. Then in their progeny
- [AIIMS 1983]
:Match the columns :
Column $I$
Column $II$
$(a)$ Sickle cell anaemia
$(x)$ Homogentisic acid
$(b)$ Alkaptonuria
$(y)$ Melanin pigmentsare absent
$(c)$ Albinism
$(z)$ More amount of phenyl alanine
$(d)$ Phenyl Ketonuria
$(w)$ Defective haemoglobin
:Match the columns :
| Column $I$ |
Column $II$ |
| $(a)$ Sickle cell anaemia | $(x)$ Homogentisic acid |
| $(b)$ Alkaptonuria | $(y)$ Melanin pigmentsare absent |
| $(c)$ Albinism | $(z)$ More amount of phenyl alanine |
| $(d)$ Phenyl Ketonuria | $(w)$ Defective haemoglobin |
The most important example of point mutation is found in a disease called
The most important example of point mutation is found in a disease called
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 son of a colourblind father and normal homozygous mother marries to a daughter of normal father and heterozygous mother than their children will be