'Extra x chromosome' presentation slideshows

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Human Inheritance Notes Ch. 14 - Part II

Human Inheritance Notes Ch. 14 - Part II. Sex-Linked and Autosomal Genetic Disorders. Karyotype Chart. Once the cells have been gathered, scientists will take a picture of the chromosomes and make a karyotype chart .

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Chapter 15: The Chromosomal Basis of Inheritance

Chapter 15: The Chromosomal Basis of Inheritance. Important Point:. If you are having trouble understanding lecture material: Try reading your text before attending lectures. And take the time to read it well!. Chromosomal Basis of Inheritance. Independent Assortment.

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Biological Beginnings

Psych 125 Human Development Christopher Gade Office: 1031-G Office hours: Tu 12-1:30 and by apt. Email: gadecj@gmail.com Class: T 1:30-4:20 Room 2210. Biological Beginnings. At one point in time in each of our pasts, we were one cell These cells contained a very

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Karyotype

Karyotype. A chart of chromosome pairs arranged by length and location of the centromere. How are karyotypes made?. Somatic cells (remember these are body cells) in metaphase are grown and then dropped onto a slide bursting the nucleus.

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Biological Beginnings

Biological Beginnings. The Evolutionary Perspective Genetic Foundations of Development Heredity and Environment interaction: The Nature-Nurture Debate Prenatal Development Birth. The Evolutionary Perspective. The Evolutionary Perspective.

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Lesson Overview

Lesson Overview. 14.1 Human Chromosomes. Karyotypes. To find what makes us uniquely human, we have to explore the human genome. A genome is the full set of genetic information that an organism carries in its DNA.

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Klinefelter Syndrome

Klinefelter Syndrome. By: Ryan Wilding and Lukas Johnson. What is Klinefelter Syndrome. Klinefelter syndrome is a condition in which human males have an extra X chromosome. It is the most common sex chromosome disorder in males.

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HUMAN GENOME VOCAB ONLY

HUMAN GENOME VOCAB ONLY. What disorder is it?. Mutation in the blood clotting protein makes person unable to stop bleeding after an injury _______________ Mutation in hemoglobin causes red blood cells to change shape and ____________________ clog up blood vessels

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Ch 14- Human Genome

Ch 14- Human Genome. How many chromosomes does a human cell have? Karyotype - photograph of chromosomes grouped in order in pairs Sex chromosomes- 2 chromosomes that determine the sex of the individual Females have two copies of a large X chromosome Males have one X and one small Y chromosome

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Meiosis Mistakes

Meiosis Mistakes. Human chromosome abnormalities. Nondisjunction. Failure of homologous chromosomes to separate during cell division. Results. 1 too many OR 1 too few chromosomes. Trisomy: one too many 47 chromosomes Monosomy: one too few 45 chromosomes.

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Chapter 14: Human Inheritance

Chapter 14: Human Inheritance. Section 14-2: Human Genetic Disorders. From Molecule to Phenotype. There is a direct link between genotype and phenotype Example:

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Nondisjunction of Chromsomes

Nondisjunction of Chromsomes. Mistakes made during meiosis can lead to abnormal numbers of chromosomes. This occurs when a homologous pair of chromosomes fail to separate. These mistakes can occur in either meiosis I or II. Trisomy 21.

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Karyotypes and Sex-Linked Traits

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Genetic Disorders

Genetic Disorders. Nondisjunction: If a pair of sex chromosomes fails to separate during the formation of an egg (or sperm), this is referred to as nondisjunction [cell has more or less chromosomes than it needs]. Turner Syndrome

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Triple X Syndrome

Triple X Syndrome . Katie Villegas . Description .

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Review

Review. What is a genome? What is the difference between a haploid and a diploid cell? Meiosis produces ______________ cells M itosis produces _______________ cells. Describe where mutations occur. Explain how mutations are connected to proteins. Identify how mustations can occur.

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Lesson Overview

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