which term describes the chromosomal abnormality of having extra chromosomes?\nheterosomy\npolysomy\nhaploidy…

which term describes the chromosomal abnormality of having extra chromosomes?\nheterosomy\npolysomy\nhaploidy\ndiploidy
Answer
Answer:
B. polysomy
Brief Explanations:
Polysomy refers to having extra chromosomes. Heterosomy is not the correct term for extra - chromosomes. Haploidy means having a single set of chromosomes. Diploidy means having two sets of chromosomes.