The pedigree shows two unaffected parents (generation I) producing three children. One son is affected; daughters are unaffected.
What inheritance pattern is most consistent with the pedigree?
- A
Autosomal dominant
- B
Mitochondrial
- Ccheck_circle
Autosomal recessive
- D
X-linked dominant
Explanation
Two unaffected parents producing an affected child indicates both parents are carriers (Aa x Aa); the trait skips generations, signature of autosomal recessive inheritance.