A change in a gene or chromosome is called a: Mutation
This change is know as polyploidy.
The permanent change in a gene or a chromosome is called Mutation.
Mutation
It is called Mutation . It is a spontaneous change in a chromosome or DNA .
Inversion occurs when a fragment of a chromosome is reversed
mutagen: ionizing radiation or chemicals, can also be called a mutagenic agent.
The condition in which a diploid cell is missing a chromosome or has an extra chromosome is called aneuploidy.
Genitic change
chromosome.
yes
it is called a sister chromosome :)