PPT-Sex Linked Inheritance A human female, has

23 pair of chromosomes A human male has 22 similar pairs and one pair consisting of two chromosomes that are dissimilar in size and structure The 23 rd pair in both the sexes is called . Contents:. Introduction to sex linked inheritance.. Chromosome carries which type of genes?. Three types of traits. Characteristics of sex linkage.. Types of sex linkage.. Sex linked disorders.. Sex linked inheritance :. SBI3U. Mendel Demonstrated. :. Law of Segregation. Law of Independent Assortment. The . alleles. for a gene . segregate independently. . during meiosis. . This applies to alleles located on homologous chromosomes. X-LINKED DOMINANT INHERITANCE. X-LINKED INHERITANCE. dr. . Retno. . Sutomo. , Ph.D., . Sp.A. .. X-LINKED RECESSIVE INHERITANCE. Segregation of X-linked recessive allele. Carrier mother. Segregation of X-linked recessive allele. Discuss with your group the trait you chose, and what you found out about your family!. Be ready to share!!!!. Pedigrees . What is a pedigree. Family tree used to track genetic . disorders/abnormalities. aa black. cc – – white. C– A – agouti. C– aa black. Inheritance of blood groups. (A-). (B-). (A-). (B-). (A-). (B-). (A-). (B-). Possible child’s blood type. Possible father’s blood type. Man:. Color. Blindness . Dr. . Asim. . masood. Red. -. Green. Color blindness. What are X-linked recessive . inheritance?. . X-linked recessive inheritance is a mode of inheritance in which a mutation in the gene on the X-chromosom. (6). Sex . linked . inheritance. Dr. . israa. . hussein. . hamzah. email: . esraa_hassan17@yahoo.com. szsh@uomustansiriyah.edu.iq. Reference book. : . genetic (Conceptual-Approach) fourth edition (2012). Chapter 12. Chromosomes & Inheritance. Section 12.1. What makes human males different than females?. Sex chromosomes (X and Y). Male: XY. Female: XX. Gametes:. Egg: carry only X. Sperm: carry either X or Y. Stolen and edited from: IMS Dr. Kyle . Stutts. (SHSU) and Brandon . Freel. Objectives. Discuss genetic inheritance.. Investigate principles of inheritance.. Demonstrate how inheritance plays a role in sex-linked genes. Dr. . Aqeel M. . ali. 2019. B. asic . principles of heredity that Mendel discovered from his crosses among pea plants. . A mendelian principle . . sex-linked characteristics determined by . genes located on the sex chromosomes. . Definition . Allelle. is . an alternative form of a . gene . (one member of a pair) that is located at a specific position on a specific . chromosome. . These DNA coding . determine distinct traits that can be passed on from parents to offspring. . Important. Notes. For revision only. Objectives: . Asses Mendel’s laws of inheritance. Understand the . bases. of Mendelian inheritance. Define various patterns of single gene inheritance using family pedigree and Punnett’s squares. GENETICS PART 2. For each section please read the . exam guidelines. first before going on to the content.. Learn all the content in this presentation. Exam guidelines. Human Female Karyotype. Every cell (except egg cells) in a normal human . Human inheritance involves more issues than pea plants. Relatively few traits follow a Mendelian inheritance . pattern, but we cannot . ethically perform test . crosses. Most human traits are polygenic.