CL(P), Cleft lip with or without cleft palate. Another approach is to compare the disease relative risk ratio in biological relatives of the proband with that in biologically unrelated family…
Figure 8-7 Pedigree of a family with retinitis pigmentosa due to digenic inheritance. Dark blue symbols are affected individuals. Each individual’s genotypes at the peripherin locus (first line) and ROM1 locus (second…
Figure 5-2 Ideogram showing G-banding patterns for human chromosomes at metaphase, with approximately 400 bands per haploid karyotype. As drawn, chromosomes are typically represented with the sister chromatids so closely aligned that…
mRNA, Messenger RNA; mTOR, mammalian target of rapamycin; PI3, phosphatidylinositol-3. Figure 15-2 is a diagram outlining how mutations in specific regulators of growth and in global guardians of DNA and…
BiotinMonogenic forms of congenital hypothyroidismBiotinidase deficiencyDiversionSodium benzoateUrea cycle disordersDrugs that sequester bile acids in the intestine (e.g., colesevelam)Familial hypercholesterolemia heterozygotesEnzyme inhibitionStatinsFamilial hypercholesterolemia heterozygotesReceptor antagonismLosartan (investigational)Marfan syndromeDepletionLDL apheresis (direct removal of…
CNS, Central nervous system. The developmental abnormalities characteristic of any one trisomic state must be determined by the extra dosage of the particular genes on the additional chromosome. Knowledge of…
DSD, Disorder of sex development. Updated from Achermann JC, Hughes IA: Disorders of sex development. In Melmed S, Polonsky KS, Larsen PR, Kronenberg HM, editors: Williams textbook of endocrinology, ed…
Figure 2-8 A typical mitotic cell cycle, described in the text. The telomeres, the centromere, and sister chromatids are indicated. The cell cycle is governed by a series of checkpoints that determine…
Established standards of medical care require that providers of genetic services obtain a history that includes family and ethnic information, inquire as to possible consanguinity, advise patients of the genetic…
