In most cases of Down syndrome,there is no family inheritance pattern.Individuals with Down syndrome are born to mothers even when there has been no family history of Down syndrome.However,in rare cases,there is a family inheritance pattern.Describe the cause of this rare form of Down syndrome and explain why this form shows a family inheritance pattern.

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The Answer of In most cases of Down syndrome,there is no family inheritance pattern.Individuals with Down syndrome are born to mothers even when there has been no family history of Down syndrome.However,in rare cases,there is a family inheritance pattern.Describe the cause of this rare form of Down syndrome and explain why this form shows a family inheritance pattern.

In Most Cases of Down Syndrome,there Is No Family Inheritance