A rare recessive trait in a pedigree is indicated by which pattern of inheritance?
A)vertical
B)horizontal
C)diagonal
D)both vertical and horizontal
E)pure-breeding

Question

Quizplus · Accepted Answer

A rare recessive trait typically shows a horizontal pattern of inheritance in a pedigree, meaning it appears in siblings of the same generation rather than being passed directly from parent to child across multiple generations. This pattern occurs because both parents must carry the recessive allele and pass it to their offspring for the trait to be expressed.

A Rare Recessive Trait in a Pedigree Is Indicated by Which