operon
Physical stress can shear the DNA.
Cyanide in a very large dose!
mutation is a permanent change in the DNA sequence of a gene and can alter the amino acid sequence of the protein encoded by the gene..
Poor Nutrition
Yes. X-rays can alter DNA, and DNA can be altered by scientists.
No, you can't "alter" DNA with such crude methods, only destroy it...
yes
The environment, viruses, and scientists have the ability to alter DNA. These alterations may potentially be passed on to future generations.
A person would not be able to alter a DNA test. Doctors performing DNA tests take very careful precautions to prevent the tests from being altered.
cells
No way, man. Smoking weed does not alter your DNA, no matter how much you think you smoke.
Stress can alter a menstrual cycle. Surgery exerts physiological stress on the body. Therefore, surgery can indeed alter the dates of menstruation.
yes
operon
You can use "alter" when referring to changing or modifying something, such as "I will alter the design of the project." On the other hand, "altar" is used to describe a raised platform or table used in religious ceremonies, like "The priest stood before the altar during the wedding ceremony."
Physical stress can shear the DNA.