Which of the following are types of hereditary disorders? a. single-gene and chromosomal b. complex and duplex c. single-gene and duplex d. all of the above

A. single-gene and chromosomal

Hereditary disorder means it is passed from parents to offspring. It has different types based on its cause:  

1.Chromosomal abnormalities (damage to chromosomes)

2.Single gene defects ((monogenic disorder)

3.Multifactorial problems ( mutations in multiple genes )

4.Teratogenic problems (environmental factors)

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