Diana Elder, Nicole Dyer & Robin Wirthlin, “Research Like a Pro with DNA: A Genealogist’s Guide to Finding & Confirming Ancestors with DNA evidence”, 2021.

“Human Karyotype Endogeny” was the topic of an earlier blog post.  The table above of human numbered (1-to-22) chromosome is from that blog post. The “vertical” is the chromosome numbers (1-to-22); and, the “horizontal” is alphabetical-ordered “gene-symbols on that chromosome.  The above table equates chromosome to gene-symbol summation. For example, chromosome Y = (DAZ+DMD+LWD+RBMY1A1+USP9Y) in … Continue reading Diana Elder, Nicole Dyer & Robin Wirthlin, “Research Like a Pro with DNA: A Genealogist’s Guide to Finding & Confirming Ancestors with DNA evidence”, 2021.

Nancy Hendrickson, “The Unofficial Guide to Ancestry.com: How to Find Your Family History on the #1 Genealogy Website”, 2018.

Victor McKusick, “Mendelian Inheritance in Man“: Catalog of Human Genes and Genetic Disorders”, 1966 was a nonfiction medical book; and, it was the topic of an earlier blog post.   Nancy Hendrickson, “The Unofficial Guide to Ancestry.com: How to Find your Family History on the #1 Genealogy Website”, 2018 was a  “Genealogy” book and is … Continue reading Nancy Hendrickson, “The Unofficial Guide to Ancestry.com: How to Find Your Family History on the #1 Genealogy Website”, 2018.

Human Gene Symbol Abbreviations.

“Human Chromosome Trisomy (Down and Sex-Y)”, was the topic of an earlier blog post. That blog post displayed the chromosomes 21 and Y (shown atop here).  The two chromosomes are 50 million base pairs (Y-chromosome), and 46 million base pairs (21-chromosome) in DNA length long.  At bottom of the chart below is Y-chromosome and 21-chromosome … Continue reading Human Gene Symbol Abbreviations.

“Human Chromosome Trisomy (Down and Sex-Y)”.

   Human Chromosome Slides was the topic of an earlier blog post that is a “PowerPoint” presentation.   Above I show two chromosomes that are often seen in “trisomy” in diploid cells.  Trisomy 21 is commonly called “Down Syndrome”.  The 6th item from the bottom (left side) says “Down syndrome cell adhesion molecule”.   The … Continue reading “Human Chromosome Trisomy (Down and Sex-Y)”.