Inherited Disorders

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8 Terms

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What are some disorders due to?

The inheritance of certain alleles

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What are the 2 types of alleles that cause disorders?

Dominant and recessive

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What disorder is caused by a dominant allele?

Polydactyly, having extra fingers or toes.

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What disorder is caused by a recessive allele?

Cystic fibrosis, a disorder of cell membranes

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What is a dominant allele?

It only needs 1 copy to be expressed

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What’s a recessive allele?

It needs 2 copies present to be expressed

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What can alleviate suffering from these disorders?

Embryo screening and gene therapy

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What’s the problem of using embryo screening and gene therapy?

There are ethical issues surrounding their use.