PPT-Sex linked inheritance and hereditary defects

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 . Kyle . Stutts. . Sam . houston. state . university. Sex-Linked Characteristics. Objectives. Students will be able to:. Comprehend how inheritance plays a role in sex-linked genes. Explain the difference between sex- linked, limited, and influenced inheritance. Humans have approximately . 20,000 – 30,000. genes that code for traits. . However, only have . 46 chromosomes. . Thus each chromosome must have . many genes. on them. . Often seen in . Sex-Linked Traits. Kyle . Stutts. . Sam . houston. state . university. Sex-Linked Characteristics. Objectives. Students will be able to:. Comprehend how inheritance plays a role in sex-linked genes. Explain the difference between sex- linked, limited, and influenced inheritance. 11.1 Basic Patterns of Human Inheritance. 11.2 Complex Patterns of Inheritance. EQ: What is the difference between sex linked genes and genes found on autosomal chromosomes? . Chromosomes and Phenotype. Polyposis. Syndromes in the Mediterranean Region. Thomas M Attard MD FAAP FACG. Associate Professor, Pediatrics, Gastroenterology, University of Malta, Malta. . Consultant Gastroenterologist Children’s Mercy Hospital, Kansas MO, USA.. 1. Chromosomal Theory of Inheritance. Theodor . Boveri. Walter Sutton. In 1902, Walter Sutton and Theodor . Boveri. developed the . Chromosome Theory of Inheritance. . . This theory basically states that Mendelian genes have a specific locus on the chromosome and that chromosomes undergo segregation and independent assortment during meiosis. . 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. . . Sex determination. Sex chromosome is determined at . fertilization time. .. Early stage fetus contains two . ducts system. :. Wolfian. (male).. Mullerian. (female).. Sexual difference starts in the . Sex Determination. Xy =. . XX= . female. male. Female . karyotype. Male . karyotype. X and Y chromosomes. Who decides. ?. Mom can give X . Dad can give X or Y. Posted on Friday, March 12, 2004 DURHAM, N.C. -- Two seemingly disparate hereditary syndromes actually stem, in some patients, from a uke University Medical Center genejuvenile polyposis -- characteri 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. SEX LINKED INHERITANCE. SEX LINKED INHERITANCE. . X LINKED . INHERITANCE . INHERITANCE. COLOUR BLINDNESS. X LINKED INHERITANCE. Y . LINKED INHERTANCE. HYPERTRICHOSIS. Y LINKED INHERITANCE.