RT Book, Section A1 Hogge, W. Allen A1 Rajkovic, Aleksandar SR Print(0) ID 1115992889 T1 Patterns of Inheritance T2 Practical Genetics for the Ob-Gyn YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071797214 LK obgyn.mhmedical.com/content.aspx?aid=1115992889 RD 2024/10/06 AB Mendelian disorders result from a mutation at a single genetic locus. A locus may be present on an autosome or on a sex chromosomes, and it may manifest in a dominant or a recessive mode. There are over 10,000 traits believed to be inherited in a mendelian fashion, but only a few of the more common disorders of interest to the obstetrician-gynecologist have been highlighted in this chapter to illustrate patterns of inheritance.