If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
- [AIIMS 2014]
- A
$50\%$
- B
$25\%$
- C
$100\%$
- D
no chance
Similar Questions
A man with normal vision whose father was colourblind marries with women whose father was also colourblind. Suppose their first child is daughter then what are the chances of this child to be colourblind?
A man with normal vision whose father was colourblind marries with women whose father was also colourblind. Suppose their first child is daughter then what are the chances of this child to be colourblind?
Sicklecell anaemia is
Sicklecell anaemia is
- [AIPMT 2009]
$A$ : Sickel cell anaemia occurs due to the point mutation.
$R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.
$A$ : Sickel cell anaemia occurs due to the point mutation.
$R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.
If a character is always transmitted directly from a father to all his sons and from their sons to all their sons, then which chromosome carries the gene for the character
If a character is always transmitted directly from a father to all his sons and from their sons to all their sons, then which chromosome carries the gene for the character
If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is
If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is