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Published byHerman Setiabudi Modified over 6 years ago
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Gene Genetics Gene: Piece of DNA that determines
What is it? Gene: Piece of DNA that determines a characteristic or trait of an individual
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Genes give us traits such as hair color….
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Genes give us traits such as height….
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Genes make us smart, or not so smart…
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Polydactyly is a condition of having extra fingers
Sometimes, Genes can mutate and yield unwanted effects. Polydactyly is a condition of having extra fingers
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Polycephaly is the condition of having
more than one head.
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Genes are made of … …DNA
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Human body cells (somatic) contain 46 strands of DNA that we call chromosomes
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Each chromosome carries tens of thousands of genes, with the DNA all packaged up neatly.
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Where do your _____ chromosomes come from? 23 from each parent 46
Mother Father 23 from each parent Child
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Sometimes, mutations in genes help
animals survive in the wild….. …..then they can pass the mutated gene to their young.
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These mutations produce VARIETY – which is essential for evolution to take its course.
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The Controversial Discovery of DNA’s structure
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How was DNA discovered? Read the article on how DNA was discovered and think about how Franklin, Watson & Crick contributed.
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