Which chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome? nondisjunction translocation deletion insertion

Deletion is when a base or a segment is removed (deleted).
Insertion is when a base or a segment is added (inserted).
Nondisjunction is a failure of chromosome pairs to separate. Junction is when two things are joint, disjunction is when they are separated, so nondisjunction is failure to separate after they are joint

Ithink option a is correct because you cannot donate a different blood group than yours because it won't match.option a says betsy can donate to mark. they have the same blood group so donation can happen.

The answer would be c