ABMGG Clinical Genetics & Genomics study guide
ABMGG Clinical Genetics & Genomics · Work through your exam, one topic at a time.
The ABMGG Clinical Genetics and Genomics credential is issued by the American Board of Medical Genetics and Genomics, whose stated mission is "to serve the public and medical profession by establishing professional certification standards and promoting lifelong learning as well as excellence in medical genetics and genomics." It is an initial certification credential for genetics professionals who complete ABMGG's certification pathway in this specialty, and it is separate from the continuing certification program that diplomates maintain afterward through components such as the CertLink longitudinal assessment. This study platform is independent and is not affiliated with, endorsed by, or sponsored by ABMGG. The ABMGG Clinical Genetics & Genomics study guide has 5 sections and about 2,493 words.
01Genetics and Genomics Core Knowledge: Molecular, Cytogenetic, Biochemical, and Population Principles
Every core-knowledge question rewards knowing the underlying mechanism. For molecular genetics, the disease mechanism of the gene shapes variant interpretation: loss-of-function alleles in haploinsufficient genes behave differently from gain-of-function or dominant-negative alleles.
288 words, about 1 min02Clinical Assessment: History, Dysmorphology, and Physical Examination
The clinical assessment domain tests whether you can gather and organize data, not whether you can name a syndrome from a photograph. A complete evaluation includes a three-generation pedigree, prenatal and birth history (exposures, growth, delivery complications), neonatal course, developmental milestones with ages, growth plotted on appropriate charts, and a systematic physical examination.
312 words, about 2 min03Diagnosis and Natural History of Genetic Conditions Across the Lifespan
Genetic conditions present differently at different ages, and the same genotype may produce congenital anomalies, a childhood degenerative course, or adult-onset disease. Learn to distinguish screening from diagnostic testing, and to separate a diagnosis from a prognosis: natural history data drive surveillance intervals and anticipatory guidance.
321 words, about 2 min04Laboratory Testing Strategy: Choosing the Right Test First
Test selection is a reasoning exercise: identify the suspected variant class, then choose the assay that detects it reliably. Chromosomal microarray detects copy-number variants and is first-tier for developmental delay, intellectual disability, and multiple congenital anomalies.
314 words, about 2 min05Test Interpretation and Genomic Data Analysis
Variant interpretation follows structured frameworks that weigh population frequency, computational prediction, functional data, segregation, de novo status, and phenotype specificity. Know the evidence tiers: very strong, strong, moderate, and supporting, combined into pathogenic, likely pathogenic, uncertain significance, likely benign, and benign categories.
1,258 words, about 6 min