Consider the following statements regarding chromosomal aberrations and select the incorrect one(s).
(I) Chromosomal aberrations refer to changes in number and arrangement of genes in the chromosomes.
(II) There are many chemical and physical factors that causes mutation.0
(III) Heteroploidy occurs due to non-disjunction of chromosomes of homologous pair.
(IV) Aneuploidy refers to gain or loss of complete set of chromosomes in an organism.
Text Solution
Verified by ExpertsThe correct answer is:
B
Aneuploidy refers to the gain or loss of a chromosome.
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