any change in the genes of an organism

Mutations can occur randomly or can be the result of

Mutations can have a ______ effect on the organism

sickle cell anemia disease is ______ if you have that disorder-two recessive alleles.

If you are a carrier, (heterozygous), of sickle cell you are protected from _______.

Most mutations are automatically repaired by the body’s ______ and therefore have no effect.

If the mutant cell is a ________ and not repaired the daughter cells can be affected

If the mutant cell is a_____ the altered DNA will be transmitted to the embryo (baby).

________ contribute to the aging process or the development of cancer

______may result in phenotypes that help a species to increase in a population.

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