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Grade: 12th pass
In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree :
1) X- linked dominant
2) Autosomal dominant
3) X-linked recessive 
4) Autosomal recessive 
one year ago

Answers : (2)

24470 Points

Pedigree analysis in human genetics -

In human genetics, the pedigree study provides a strong tool, which is utilised to trace the inheritance of a specific trait, abnormality or disease.

- wherein


 The given pedigree shows the autosomal recessive disorder. In this disorder, the individual inherit two mutated genes, one from each parent. This disorder is usually passed on by two carriers. Health is rarely affected, but individual have one mutated gene(recessive gene) and one normal gene(dominant gene) for the condition. The carriers have a 25% chance of having an unaffected child with normal genes, 50% chance of having an unaffected child who also is a carrier and a 25% chance of having an affected chid with recessive genes. 

option 2 is correct
one year ago
Aditya Gautam
18 Points
It's 4th
1-there is generation skip indicates that it is     
   recessive gene
2-male & female both are effected - means           autosomal.
one year ago
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