PPT-Sex Determination and Sex-linked Inheritance

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. Humans have 46 chromosomes in every cell.. 2 of these chromosomes make us male or female.. Female: XX Male: XY. The Sex Chromosomes:. Has information for male traits.. Few other genes.. The Y chromosome. 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.  . Studying genetics . can be accomplished in part by . investigating the history of discoveries. that have lead to our . understanding of DNA and its role in gene expression and biological 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. 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. 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. 12.1 Chromosomal Inheritance . 1. Genes are located on chromosomes; this is called the . chromosome theory of inheritance. .. 12.1 Chromosomal Inheritance. Chromosomes can be categorized as two types:. 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. . The term . sex . refers to sexual phenotype.. . Most organisms . have only two sexual phenotypes: . male and female. . The fundamental difference between males and females is gamete size: . males produce small gametes. Inheritance can be defined as the process where one class acquires the properties (methods and fields) of another. . With the use of inheritance the information is made manageable in a hierarchical order.. 47 UNIT - II Inheritance and Variation CHAPTER 4 Multiple alleles Human blood groups Genetic control of Rh factor 4.4 Sex determination in human, insects and birds Sex linked inheritance Karyotypin 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.