How Genetic disorders arises ? Explain by giving suitable examples.
How Genetic disorders arises ? Explain by giving suitable examples.
Each and every feature in any organism is controlled by one or the other gene located on the $DNA$ present in the chromosome.
$DNA$ is the carrier of genetic information.
it is hence transmitted from one generation to the other without any change or alteration.
- However changes or alteration do take place occasionally.
Such an alteration or change in the genetic material is referred to as mutation.
A number of disorders in human beings have been found to be associated with the inheritance of changed or altered genes or chromosomes.
These are disorders or illness caused by one or more abnormalities in autosomes or sex chromosomes of the person.
Thus, referred to as a autosomal disorders or sex-linked disorder respectively.
The genetic disorder can be divided as.
Similar Questions
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
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
The daughter born to haemophilic father and normal mother could be
The daughter born to haemophilic father and normal mother could be
- [AIIMS 1992]
If a normal women marries a colourblind man
If a normal women marries a colourblind man
$A$ - Sickle-cell anaemia is sex linked recessive trait
$R$ - This disease is controlled by more that two pair of alleles
$A$ - Sickle-cell anaemia is sex linked recessive trait
$R$ - This disease is controlled by more that two pair of alleles
Colour blindness is a disease usually affecting man but the factor for it is transmitted to the children always by woman. This is because particular factor is located on
Colour blindness is a disease usually affecting man but the factor for it is transmitted to the children always by woman. This is because particular factor is located on