DNA and Mutations : The causes of mutations. Mutations happen for several
reasons. 1. DNA fails to copy accurately. Most of the mutations that we think
Viruses may cause mutation of cells of other organisms. ... List three possible
types of mutations? ... List three things that cause chemical weathering of rocks?
Mutations can be caused by external (exogenous) or endogenous (native) factors
, or they may be ... Endogenous factors: errors during DNA replication can lead to
genetic changes as can toxic ... What are the consequences of mutations?
Nov 15, 2006 ... Hello, I'm trying to compile a list of factors that could cause a DNA strand to be
damaged or modified (denaturalized). I'll list a few that I can think ...
Dec 3, 2004 ... Mutation is one of the important factors to cause evolution, but ... There is also a
long list of mutagenic chemical and some are refered to as cancerigenic. ... Since
virus can alter the DNA in a cell, is it possible that virus is ...
DNA mutation can be caused by a wide variety of factors. Learn about some of
the many causes of DNA mutation in this article form HowStuffWorks.
For a recessive mutation to give rise to a mutant phenotype in a diploid organism,
... Changes in a single base pair may produce one of three types of mutation: ...
Natural exposure of an organism to certain environmental factors, such as
ultraviolet ... A common cause of spontaneous point mutations is the deamination
However, most mutations occur when the cell makes errors as it copies its genes.
Genes are ... Occasionally, mistakes are made, causing mutations. Most of ...
Mutations may be caused by natural events within the environment, by action or
... A white American alligator shows a genetic mutation known as leucism. ... DNA
polymerases with limited 3 to 5 (three-prime to five-prime) exonuclease activity.
Chemical Factors. Certain man-made chemicals have been known to cause
mutations, in most cases by revising the basic chemical composition of a cell's