Question

question 22
which of the following is not described as a type of gene change that can lead to cancer?
too many copies of a gene.
genes being in the wrong order.
a missing gene.
genes becoming too long.

Explanation:

Gene changes that can lead to cancer include gene amplification (too many copies), gene deletion (missing gene), and chromosomal rearrangements (genes in wrong order). Gene length increase (genes becoming too long) is not a typical cancer - related gene change mechanism.

Answer:

Genes becoming too long.