Which Statement About Partial Deletions and Duplications of Autosomes Is

Multiple Choice

Which statement about partial deletions and duplications of autosomes is true?

A) If one child in a family has the abnormality, the risk for recurrence is 50% with each pregnancy.
B) The aberration represents failure of chromosomal segregation during gametogenesis.
C) The underlying cause is random chromosome breakage and rearrangement.
D) The incidence increases with advancing maternal or paternal age.