APFIVE Autosomal Recessive Inheritance Pattern
In a pedigree analysis of a rare autosomal recessive disorder, which molecular process explains why two phenotypically normal parents can produce affected offspring?
A
Epigenetic modifications silence the dominant allele
B
Random mutations occur during DNA replication in gametes
C
Both parents carry a mutant allele that is not expressed phenotypically
D
Alternative splicing creates different protein isoforms
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