Given the pedigree below, what is/are the most likely inheritance pattern(s)? Patterns are autosomal recessive, autosomal dominant, X-linked recessive, X-linked dominant or Y linke... Given the pedigree below, what is/are the most likely inheritance pattern(s)? Patterns are autosomal recessive, autosomal dominant, X-linked recessive, X-linked dominant or Y linked. Justify your choices.
Understand the Problem
The question is asking to analyze a pedigree chart to determine the most likely inheritance patterns for the traits observed in the chart. The expected inheritance patterns include autosomal recessive, autosomal dominant, X-linked recessive, X-linked dominant, and Y-linked. Justification for the chosen patterns is also required.
Answer
Autosomal dominant
The inheritance pattern is likely autosomal dominant.
Answer for screen readers
The inheritance pattern is likely autosomal dominant.
More Information
In the pedigree, affected individuals are present in every generation, suggesting a dominant trait. Both males and females are affected, indicating an autosomal pattern.
Tips
A common mistake is assuming the trait is X-linked recessive without noting equal male and female incidence.
Sources
- Pedigrees review (article) | Heredity - Khan Academy - khanacademy.org
- What are the different ways a genetic condition can be inherited? - MedlinePlus - medlineplus.gov
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