Looks like no one added any tags here yet for you.
Patau Syndrome
Meiotic nondisjunction causes Trisomy 13. May also be caused by Robertsonian translocation. Characterized by hypotonia
Edwards syndrome
Meiotic nondisjunction causes Trisomy 18. Characterized by distinctive facial features
Downs syndrome
Meiotic nondisjunction causes trisomy 21. Characterized by dysmorphic features
Klienfelter syndrome
XXY Karyotype due to nondisjunction. Characterized by mild
Turner syndrome
Aneuploidy
Trisomy X
95% maternal X. No physical abnormalities
Aneuploidy
XYY Karyotype. Taller
Reciprocal Translocation
Carriers are okay
Robertsonian Translocation
Q arms fuse
Cri-du-chat Deletion
Deletion
Charcot-Marie-Tooth Disease
Small duplication on Chromosome 17
Cystic fibrosis
Autosomal recessive mutation in CFTR (cystic fibrosis transmembrane conductance regulator). Common in European descent
Sickle Cell Anemia
Autosomal recessive mutation in HBB gene (Hemoglobin B). Common in African-Americans and Hispanic-Americans. Characterized by anemia
Marfan Syndrome
Autosomal dominant mutation in FBN1 gene (fibrillin-1) on Chromosome 15. Characterized by defective connective tissue
Achondroplasia
Autosomal dominant mutation in FGFR3 gene. Characterized by a defect in cartilage growth
Hemophilia A
X-linked recessive deficiency in factor VIII clotting cascade. Characterized by easy bruising and unexplained or excessive bleeding.
Hypohydrotic ectodermal dysplasia
X-linked recessive condition caused by mutations in EDA gene. Impairs development of hair
Huntington Disease
Autosomal dominant trinucleotide repeat mutation (CAG) in 5' translated region at 4p16.3 chromosome locus. Characterized by early onset
Myotonic dystrophy
Autosomal dominant trinucleotide repeat mutation (CTG) in 3' translated region at 19q13.3 chromosome locus. Characterized by progressive muscle weakness
Fragile X
X-Linked Dominant condition caused by CGC expansion and excessive methylation of FMR1 promoter. Characterized by intellectual disability
Beckwith-Wiedmann Syndrome
Chromosome 11 abnormality (20-30% with uniparental disomy
Prader-Willi syndrome
A genetic disorder caused by a deletion in the paternal 15q chromosome
Angelman Syndrome
A genetic disorder caused by a deletion in the maternal 15q chromosome
Neural tube defects
Birth defects such as spina bifida and anencephaly
Cleft lip/palate
A congenital malformation that increases in risk with affected relatives (first degree).
Pyloric stenosis
A congenital malformation characterized by a narrowing of the pylorus
Hypertension
High blood pressure
Type II diabetes
A form of diabetes characterized by insulin resistance
Retinoblastoma
A tumor suppressor mutation that can be inherited or occur sporadically
Sporadic cancers due to oncogenes
Cancer caused by somatic mutations in oncogenes