Articles on pedigree charts: symbols and notation, inheritance patterns, teaching ideas, and family health history.https://pedigreechartmaker.com/en-ushttps://pedigreechartmaker.com/blog/y-linked-and-sex-limited-traits/https://pedigreechartmaker.com/blog/y-linked-and-sex-limited-traits/Beyond X-linked: what Y-linked inheritance looks like on a pedigree, why it's rare, and how sex-limited and sex-influenced traits differ from sex-linked ones.Fri, 21 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/drawing-a-family-health-history-a-practical-guide/https://pedigreechartmaker.com/blog/drawing-a-family-health-history-a-practical-guide/How to collect and draw a three-generation family health history: what to ask relatives, how to record conditions and relationships, and how to turn it into a pedigree chart.Wed, 19 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/adoption-and-twins-in-pedigree-charts/https://pedigreechartmaker.com/blog/adoption-and-twins-in-pedigree-charts/How to draw and read twins (monozygotic vs dizygotic) and adoption (adopted-in vs adopted-out) on a pedigree, with the standard bars and brackets explained.Mon, 17 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/how-to-teach-pedigree-analysis-in-the-classroom/https://pedigreechartmaker.com/blog/how-to-teach-pedigree-analysis-in-the-classroom/A lesson plan for teaching pedigree analysis: start with the symbol set, use a checklist for patterns, and give students editable practice charts that they can test hypotheses on.Sat, 15 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/pedigree-vs-genogram-whats-the-difference/https://pedigreechartmaker.com/blog/pedigree-vs-genogram-whats-the-difference/Pedigrees and genograms look alike but answer different questions. Compare their notation, audience, and purpose — and when to use which.Thu, 13 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/mitochondrial-inheritance-pedigree-pattern/https://pedigreechartmaker.com/blog/mitochondrial-inheritance-pedigree-pattern/How mitochondrial inheritance shows up on pedigree charts: all children of an affected mother affected, fathers never transmit, and why the pattern looks like a maternal column.Tue, 11 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/pedigree-symbols-and-notation-explained/https://pedigreechartmaker.com/blog/pedigree-symbols-and-notation-explained/Every pedigree symbol decoded: squares, circles, diamonds, shading, carrier dots, proband arrows, deceased slashes, twin bars, consanguineous double lines, and adoption brackets.Sun, 09 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/x-linked-recessive-pedigrees-explained/https://pedigreechartmaker.com/blog/x-linked-recessive-pedigrees-explained/How X-linked recessive inheritance appears on a pedigree: mostly affected males, carrier mothers, and no father-to-son transmission — with the visual cues to spot it.Fri, 07 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/how-to-read-a-genetics-pedigree-chart/https://pedigreechartmaker.com/blog/how-to-read-a-genetics-pedigree-chart/A practical walkthrough of reading a pedigree chart: find the proband, identify the pattern, check sexes and carriers, and decide on the likely mode of inheritance.Wed, 05 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/autosomal-dominant-vs-recessive-pedigrees/https://pedigreechartmaker.com/blog/autosomal-dominant-vs-recessive-pedigrees/How to tell autosomal dominant from autosomal recessive inheritance on a pedigree chart — with the visual cues to look for in each generation.Mon, 03 Aug 2026 00:00:00 GMThttps://pedigreechartmaker.com/blog/what-is-a-pedigree-chart/https://pedigreechartmaker.com/blog/what-is-a-pedigree-chart/A pedigree chart is a family tree drawn with standard symbols to show relationships and inherited traits. Learn what the shapes mean and why they matter in genetics.Sat, 01 Aug 2026 00:00:00 GMT