Triple X Syndrome is seen in females who inherit 3 copies of chromosome X. Which of the following explains the mechanism of inheritance for this type of chromosomal abnormality? Triple X syndrome. A series of 22 chromosomes are displayed, numbered 1 to 2. There are also 3 chromosomes labeled x.

Errors in crossing-over do not allow for chromosomal separation in anaphase.
Errors in DNA replication do not allow for sister chromatid segregation in metaphase.
Errors in microtubule attachment do not allow for chromosomal separation in anaphase.
Errors in kinetochore attachment do not allow for sister chromatid segregation in metaphase.