which is an agent that causes a mutation in dna or chromosomes?\no nondisjunction\no karyotype\no mutagen\no…

which is an agent that causes a mutation in dna or chromosomes?\no nondisjunction\no karyotype\no mutagen\no phenotype
Answer
Answer:
C. mutagen
Brief Explanations:
A mutagen is a substance or agent that can cause mutations in DNA or chromosomes. Nondisjunction is a chromosomal error, karyotype is a chromosome - set display, and phenotype is an organism's observable traits.