'Albinism' diaporamas de présentation

UNIT IV

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Skin: The Integumentary System

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FUNDAMENTALS OF GENETICS

FUNDAMENTALS OF GENETICS. USEFUL MATERIALS Video- Garden of Inheritance Guinea Pig Work sheet Text pages 159-176 Worksheet and word search.

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Biology 211 Anatomy & Physiology I

Biology 211 Anatomy & Physiology I. Skin The Integumentary System. The Integumentary System. Skin=Integument Skin + accessory organs (hair, nails, and cutaneous glands)= Integumentary system Dermatology=scientific study and medical treatment of the integumentary system

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Tissues: collections of similar cells and the substances surrounding them

Tissues: collections of similar cells and the substances surrounding them Tissue classification: based on structure of cells, composition of non cellular extracellular matrix, and cell function Major types of adult tissues Epithelial Connective Muscle Nervous.

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Integumentary System

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GENETICS

GENETICS. Beyond Mendel. Gregor Mendel (1822-1884). Worked with pea plants in monastery garden This was lucky, because peas have pretty simple genetics, as do many genes in most organisms.

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Genetics

Genetics. Intermediate Traits. Traits. Most traits are controlled by more than 1 gene Most traits have multiple alleles. Incomplete dominance. For some traits, neither allele is dominant Blending occurs Ex. Snapdragons

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Albinism

Albinism. Morrie Hudiburg and Sara Fraser Period 3. Genetics. The gene for albinism is inherited. It causes the body to not make enough melanin The gene is recessive There are 4 types. Genotypes. Type 1: mutation on the TYR gene Type 2: mutation on the OCA2 gene

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Jeepers Peepers!

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16-1 Genes and Variation

16-1 Genes and Variation. Explain what a gene pool is. Identify the main sources of inheritable variation in a population. State what determines how a phenotype is expressed. How Common Is Genetic Variation?. Many genes have at least two forms, or alleles .

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Pedigrees

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* Gregor Johann Mendel 1822-1884

Chapter 3: Mendelian Genetics. Two main hypotheses on how traits are transmitted: *blending inheritance * particulate inheritance. * Gregor Johann Mendel 1822-1884. Pisum sativum. -Why study (or experiment with) the garden pea?. -Mendel followed several visible features:.

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*Gregor Johann Mendel 1822-1884

Chapter 3: Mendelian Genetics. Two main hypotheses on how traits are transmitted: *blending inheritance *particulate inheritance. *Gregor Johann Mendel 1822-1884. Pisum sativum. -Why study (or experiment with) the garden pea?. -Mendel followed several visible features:. The Monohybrid Cross.

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Status of children with Albinism in Kenya

Status of children with Albinism in Kenya. Defining Albinism: Genetic inheritance Autosomal recessive genes from both parents If both parents are carriers, they have a 25% chance of having children with albinism 50% chance that the children shall be carriers.

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Karyogram and karyotype

Karyogram and karyotype. Diagram of arrangement of chromosomes Chromosomes are paired according to size Arrangement is called karyogram Set of chromosomes is called a karyotype Human karyogram shows the 23 pairs of chromosomes Chromosome set 23 indicate the sex of the individual. Karyogram.

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Albinism

Albinism. By Nate and Nora. What is albinism?. Albinism is a defect of melanin production that results in little or no color in the skin, hair, and eyes. History of Albinism. Archibald Garrod discovered it Discovered in 1908 Comes from albino

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Albinism

Albinism. By: Miles Thomas Dan Finelli Felix Li February 1, 2010 Period 9/10. A Summary of Albinism.

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Name _________________________________________ pd _____

Name _________________________________________ pd _____

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