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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

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 

Question Image
Grade:12th pass

2 Answers

Arun
25763 Points
2 years ago

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

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