Genetic diseases may be caused by abnormality in a single gene or by a chromosomal defect.

Name: Genetic diseases may be caused by abnormality in a single gene or by a chromosomal defect.
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This statement is true. Genetic diseases can be caused by a mutation or abnormality in a single gene or by a defect in the number or structure of chromosomes. Examples of single gene disorders include cystic fibrosis and sickle cell anemia, while chromosomal disorders include Down syndrome and Turner syndrome.

Genetic Diseases May Be Caused by Abnormality in a Single