Disease-associated Alleles and Genetic Risk Flashcards

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What is an allele?

An allele is a different version of the same gene.

It is an allele that makes it more likely, but not certain, that you will get a disease.

It is the chance of getting a disease because of the alleles you have.

A disease-causing allele usually leads to the disease, but a disease-associated allele only raises the chance.

Because other genes, lifestyle, and the environment also affect whether the disease develops.

Examples include diet, smoking, exercise, and alcohol use.

They compare genomes of many people with a disease to those without it and look for alleles that are more common.

No, it only means your chance is higher than average, not that you will get it for sure.

Because you are more likely to share alleles with your close relatives.

It can help you choose healthier habits and have check-ups to lower or manage your risk.