Which one is a non maternal age related cause of the

Last updated: 5/15/2023

Which one is a non maternal age related cause of the phenotype known as Down syndrome in babies that have a total of 46 chromosomes in their karyotype OA non disjunction in germ line cells undergoing meiosis O B loss of heterozygosity OC spontaneous mutation of DNA in non germ line cells D reciprocal translocation between non homologous chromosomes E Robertsonian translocation