if you consider an animal turning out to be a different color then what its suppose to be, for the better like blending in to survive
birds with really thin bones
No not all mutations are bad there are good mutations and bad mutations
They can be both good and bad depending on the mutation. Having extra arms may be a good thing if you are an alien, but being someone with extra arms can also be a bad thing. If you are not an alien, having extra arms might not be so grand. Do normal people have extra arms? If you are a person that got offended by this, i am so truly sorry. Bye:)
No, errors during DNA replication can lead to mutations which can cause genetic disorders or diseases. While some mutations may be harmless or even beneficial, many can have negative consequences on an organism's health or survival.
By colours you mean mutations. Budgies come in many different mutations. This is a good guide to mutations: http://www.budgieplace.com/colors.html
Some mutations can be deadly, harmful, or have no effect. Correct, not all mutations are harmful. Some mutations could even have a positive effect and help the creature adapt.
It produces new varieties .
Not all mutations are bad. Some mutations can be neutral, having no effect on an organism. And in some cases, mutations can be beneficial, providing an advantage in certain environments or circumstances. However, harmful mutations can also occur, leading to genetic disorders or other negative effects.
No, not all mutations are harmful. Some mutations may result in new traits that provide a survival advantage, while others may have no effect on an organism's fitness. Additionally, some mutations are neutral and do not impact an organism's health or survival.
More variety in a population.
A third arm wouldn't be bad.
Some mutations cause cells to lose control over cell division