Given below are some statements about chromosomal disorders.
1: They can be caused due to failure in process completion during chromatid separation.
2: They can be caused due to failure in process completion during cytokinesis.
3: They arise only in sex chromosomes.
4: They can be inherited.
Which of the above-mentioned statements/s is/are TRUE?
1
only 1
2
only 2
3
only 3 and 4
4
only 1, 2 and 4