Huntington's disease is an unusual genetic disorder in that it is a fatal disease caused by dominant alleles that

Answer;

-Impact late enough in life so that the individual can reproduce.

Explanation;

-Huntington's disease is an inherited disease that causes the progressive breakdown (degeneration) of nerve cells in the brain. Huntington's disease has a broad impact on a person's functional abilities and usually results in movement, thinking (cognitive) and psychiatric disorders.

-It is caused by an inherited defect in a single gene. Huntington's disease is an autosomal dominant disorder, which means that a person needs only one copy of the defective gene to develop the disorder.

-Huntington's disease is a progressive and fatal type of dementia caused by dominant alleles.

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