Genetically linked disorders that are severely handicapping or lethal are typically,but not always,transmitted by which gene pattern?

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Genetically linked disorders that are severely handicapping or lethal are often the result of a recessive gene pattern, where the affected individual must inherit two copies of the mutated gene, one from each parent, in order to express the disorder. This is because the normal, dominant gene from the unaffected parent can mask the effects of the mutated gene, meaning that carriers of the mutated gene (who have only one copy) may not exhibit symptoms.

Genetically Linked Disorders That Are Severely Handicapping or Lethal Are