Question

What generally causes thymine dimers to form in a strand of dna, and why are thymine dimers a problem?.

Answer 1

Ultraviolet light can cause thymine dimers, potentially creating a mutation that could lead to cancer.

What  Causes Thymine Dimers ?

In a single POLYNUCLEOTIDE CHAIN a pair of THYMINE residues  that have become chemically bonded by the action of ULTRAVIOLET LIGHT. The lesion can inhibit DNA replication unless repaired.

Pyrimidine Dimers or thymine dimers  are usually covalent links between adjacent pyrimidine bases on the same strand of DNA.

Thymine dimers distorts the DNA shape and prevents the accurate copying of DNA, which causes mutations.

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