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NEET UG 2009 — Zoology Principles of Inheritance and Variation
2009mcqeasy
Study the pedigree chart given below : 
What does it show?
Official previous-year question
Held on 30 Apr 2009 · Verified 9 Jul 2026.
Options
- A
Inheritance of a recessive sex-linked disease like haemophilia
- B
Inheritance of a sex-linked inborn error of metabolism like phenylketonuria
- C
Inheritance of a condition like phenylketonuria as an autosomal recessive trait
- D
The pedigree chart is wrong as this is not possible
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With the help of given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in $F_3$ generation. 
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