PPT-Sex – linked Traits

Genes for these traits are located only on the X chromosome NOT on the Y chromosome X linked alleles always show up in males whether dominant or recessive because males have only . Linked List Linked List Linked List
Linked List List
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The array index is used for accessing and manipulation of array elements  Problems with arrays  Problems with arrays 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. Complex Inheritance Patterns:. Autosomal v. X-Linked. Pedigree. Family Tree. Genealogy. Inheritance . Diagram. Relates . parents and offspring for numerous generations. Shows relationships between parents, children, grandchildren…. 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. 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. Human Genetics. . Thomas Hunt Morgan. – (early 1900’s). - Worked with Drosophila (fruit flies).. - Discovered sex chromosomes (X and Y)…Y is shorter than X in length.. - Females = XX Males = XY. Part 4. What is a PEDIGREE. A chart used to trace traits throughout a family. Parts of the chart. Circle = females. Squares = males. Half-filled in/Dotted = carrier. Have the gene but do not show signs of it. pg. 258 #11, 14-17, 19 Sex Linkageare controlled by genes located on either the X or Y chromosome. homologous DNA.Human 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. . Sex-Linked Traits. Traits controlled by a gene found on the sex chromosome. The Y chromosome is shorter than X; therefore, some genes on the X chromosome may be missing from Y. Sex-linked disease is less likely to affect females because they have 2 X chromosomes. 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. In a plant, long stems are dominant (L) to short stems (l). If a homozygous dominant flower and a homozygous recessive plant are crossed, what would be the phenotypic ratio of their offspring?. Science Fact of the Day.