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The pedigree shows the inheritance of a characteristic - HSC - SSCE Biology - Question 8 - 2016 - Paper 1
Question 8
The pedigree shows the inheritance of a characteristic. Key o = affected individuals What pattern of inheritance is shown? (A) Dominant and sex-linked (B) Rece... show full transcript
Worked Solution & Example Answer:The pedigree shows the inheritance of a characteristic - HSC - SSCE Biology - Question 8 - 2016 - Paper 1
Step 1
What pattern of inheritance is shown?
Answer
The pedigree chart indicates that the condition is passed through generations without skipping any affected individuals, which is characteristic of a recessive trait. Additionally, since both males and females are affected equally, this pattern is not sex-linked. Therefore, the correct inheritance pattern is:
Answer: (D) Recessive and not sex-linked.