F09 heredity environment

F09 heredity environment - Heredity Definitions Genotype a...

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Heredity Definitions Genotype – a specific set of genes inherited from one’s parents Phenotype – observable and measurable genetic expressions of individual physical and behavioral characteristics
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Heredity Twin Studies Only identical twins have identical genotype Bouchard Study (1994) Adoption and Twin Studies: Monozygotic and dizygotic Farber study (1981) Evaluated twin studies done over the last 50 years
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Heredity Definitions Oviduct – sperm and egg unite here Zygote – a new organism Ovum – female egg, the largest cell of human body Sperm – male fertilization cell, the smallest cell in body
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Heredity Genetic Transmission Chromosome: A threadlike linear strand of proteins in cells that functions in the transmission of hereditary information. DNA – deoxyribonucleic acid, binding element of a chromosome Genes- A hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism. Genes undergo mutation when their DNA sequence changes.
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Heredity
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Heredity Transmission of traits Alleles – alternative forms of a gene » One from the mother one from the father
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Heredity Mendel’s Punnet Square
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Heredity Genes on the Sex Chromosomes
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F09 heredity environment - Heredity Definitions Genotype a...

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