during DNA replication how are mutations formed?

@MKpack22 (307)
United States
March 2, 2007 11:40am CST
i learned about it in biology but i still dont understand why diseases like cancer get started
2 responses
@agbiok4 (21)
• India
3 Mar 07
small error in enzymes for proof reading will give dramatic effects and our food habits and environmentral effects can cause adverse effects like cancer
• United States
2 Mar 07
while the strand is being broken by the helicase the receptors change the nucleotide sequence resulting in mutations.