Genetic Disorders

Question 1

What Genetic disorders are not passed down from generations?

Answer 1

MOST CHROMOSOMAL DISORDERS
Down syndrome: chromosome 21
Klinefelter syndrome: extra X chromosome in boys; not passed down through families
Turner syndrome: an X chromosome missing in girls; not passed down through families
Cri Du Chat syndrome: piece of chromosome 5 is missing; most cases not inherited

Question 2

Which disorders are always inherited from the mother?

Answer 2

Mitochondrial inheritance are mutations in the nonchromosomal DNA of the mitochondria