'Sex chromosomes' presentation slideshows

Designer Genes (C)-2014

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Genes and Chromosomes

Genes and Chromosomes. The Chromosome Theory of Heredity Mutations Regulation of Gene Expression. Objectives. State the chromosome theory of heredity Explain how gene linkage affects inherited traits Describe the process of crossing-over and explain how it increases genetic variety

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Jeopardy

Jeopardy. Genetic Terms. Chromosomes. Dominant Or Recessive?. Words that Begin with H. Wild Card. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500.

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Heredity (B) -2020

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Karyotypes and Mutations

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Complex Inheritance and Human Heredity

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Heredity (B) -2014

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Gene Mapping, Linked & Unlinked Genes

Gene Mapping, Linked & Unlinked Genes. Packet #40 Chapter #15. Linked Genes vs. Unlinked Genes. Linkage. Each chromosome behaves genetically as if it consisted of genes arranged in a linear order

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Mendelian Inheritance of Human Traits

Mendelian Inheritance of Human Traits. Section 12.1. Pedigrees. A graphic representation of genetic inheritance A set of symbols (see chart on page 309) Male/Female Affected by trait or not Family relationships Carrier-heterozygous . Simple Recessive Heredity.

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Announcements

Announcements. Homework due 9:00 Thursday only your first grade will count! Review Session Sunday 3:00 to 4:00 PM 124 Burrill Hall Exam Tuesday 9:00 AM, in Lecture room. Sex Chromosomes and Sex Determination. X and Y are clearly not homologous chromsomes.

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CHAPTER 15

CHAPTER 15. THE CHROMOSOMAL BASIS OF INHERITANCE. I. RELATING MENDELISM TO CHROMOSOMES. A. MENDELIAN INHERITANCE HAS ITS PHYSICAL BASIS IN THE BEHAVIOR OF CHROMOSOMES DURING SEXUAL LIFE CYCLES

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Sec 11.2, Complex Patterns of Inheritance

Sec 11.2, Complex Patterns of Inheritance. Main idea: Complex inheritance of traits does not follow inheritance patterns described by Mendel. Incomplete Dominance. With in complete dominance there is a phenotype in between the homozygous phenotypes.

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CHROMOSOMES

CHROMOSOMES What are chromosomes? Chromosomes are compact spools of DNA. Stretched out the DNA from one of your cells would be over 3 ft (1 m) long! Think of chromosomes as "DNA packages" that enable all the DNA to fit in the nucleus of each cell.

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Introduction to DNA

Introduction to DNA. Question :. From your on-line computer activity, what do you know about the structure of DNA ?. Structure of DNA. DNA is a polymer of what????. Nuclotides!. There are two types of bases:. Adenine & Guanine ( A & G ) = Thymine & Cytosine ( T & C) =.

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8-1 Chromosomes

8-1 Chromosomes. The DNA in a human cell is estimated to consist of 6 billion pairs of nucleotides!. Chromosomes are rod-shaped structures made of DNA and proteins.

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Chapter 12.1

Chapter 12.1. Human Chromosomes . AP Biology Fall 2010. Chapter12.1 Objectives. Differentiate between sex chromosomes and autosomes . Chromosomes. Genes : are units of information about heritable traits

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Sex-Linked Traits

Sex-Linked Traits. Sex-Linked Traits. Traits whose alleles are located on sex chromosomes. X-linked traits are traits whose allele is carried on the X chromosome. Y-linked traits are traits whose allele is carried on the Y chromosome. Most

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You and Your Genes Revision Lesson 1

You and Your Genes Revision Lesson 1. What are Genes?. All living organisms are made of cells Most cells have a nucleus In the nucleus are chromosomes, made from DNA. To write: DNA makes up chromosomes in the nucleus of cells. Chromosomes contain thousands of genes

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SEX LINKED INHERITANCE

SEX LINKED INHERITANCE. Sex Determination: The human XY system Nondisjunction: The failure of chromosomes to separate properly during one of the stages of meiosis (fig. 11-12) This can produce gametes w/two sex chromosomes or no sex chromosomes. Results in abnormal # of sex chromo.

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