'Sex linked trait' diaporamas de présentation

Human Heredity

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Sex-Linked Traits and Karyotypes

Sex-Linked Traits and Karyotypes. Pre AP. Hemophilia. Read the passage about hemophilia in dogs Answer the following questions in your Bell Ringer journal Do sex-linked disorders happen in humans only? Is it important to know if a trait is sex-linked or not? Why or why not?

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200

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Heredity

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How Genetics Began

Sexual Reproduction and Genetics. Section 2. Mendelian Genetics. How Genetics Began. The passing of traits to the next generation is called inheritance, or heredity. Mendel performed cross-pollination in pea plants. Mendel followed various traits in the pea plants he bred.

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Chapter 12 Inheritance Patterns and Human Genetics

staff.tuhsd.k12.az.us. Chapter 12 Inheritance Patterns and Human Genetics. Objectives. Tell the difference between sex chromosomes and autosomes Define different types of mutations Evaluate and create pedigree charts. I. Chromosomes.

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Chapter 15: Chromosomal Basis of Inheritance

Chapter 15: Chromosomal Basis of Inheritance. AP Biology. Mendelian Inheritance Based on behavior of Chromosomes. The chromosome theory of inheritance states that genes have specific locations ( loci ) on chromosomes Chromosomes segregate and sort independently

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Genetics Case Study: The Royal Family

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Chapter 27

Chapter 27. Human Genetics. The Role of Chromosomes. Chromosome Numbers in Living Things Each human sperm or egg has 23 chromosomes. Each human body cell has 23 pairs of chromosomes. Different organisms have different numbers of chromosomes. Human Cells. 23 Chromosomes. Sex Cells.

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Chapter 27

Chapter 27. Human Genetics. The Role of Chromosomes. Chromosome Numbers in Living Things Each human sperm or egg has 23 chromosomes. Each human body cell has 23 pairs of chromosomes. Different organisms have different numbers of chromosomes. Human Cells. 23 Chromosomes. Sex Cells.

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Modified Mendel

Modified Mendel. Sex Determination. Autosomes = non-sex chromosomes 22 pairs in humans Sex chromosomes = determine gender 1 pair in humans Include X and Y XX = female XY = male. Sex Linked Traits. Sex-linked trait = any trait found on the sex chromosomes

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Sex Linked Genes

Sex Linked Genes. Sex Linked Genes. Found on 23rd chromosome. If a gene is found only on the X chromosome and not the Y chromosome, it is said to be a sex-linked trait . Sex linkage is linked to the gender of the individual. X Chromosome. Y Chromosome. X R. X R. X R.

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Alternate Patterns of Inheritance

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Sex-linked Traits

Sex-linked Traits. A gene that is found only on the X chromosome and not the Y chromosome Examples: Red-green colorblindness Male Pattern Baldness Hemophilia Duchenne Muscular Dystrophy. Female Male. Sex-linked Traits. More common in men because they only have one X chromosome

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Cells & Heredity

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More Complex Inheritance Patterns: Sex-Linked Traits

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NOTES 21 - Sex-Linked Inheritance

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Pedigrees

Pedigrees. Using pedigrees to determine patterns of inheritance. What type of trait is shown above? A. sex-linked B. autosomal dominant C. autosomal recessive. How do you know this is a sex-linked trait?. Sex linked traits: - more common is males.

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Inheritance

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