A permanent change in the gene's DNA sequence. Gene mutations involving one or a few nuckeotides is called point mutation. If a nucleotide is added or deleted, the bases are still read in groups of...
A gene is a section of a chromosome. So if a gene has a mutation, so does a chromosome.
a gene is passed on from generations and a chromosome is just found in certain cells
It is caused by a gene mutation in the single gene on chromosome 7 that produces a protein known as CFTR.
UV light carcinogenics heat viruses