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Genotype and Phenotype

Genotype and Phenotype - genes only have the dominant trait...

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Genotype and Phenotype What is the difference?
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Review Words Characteristics – are the category of a trait – Example – eye color, height, likes/dislikes Traits – the physical, social, and emotional qualities of an organism Example – blue eyes, tall, hates carrots Dominant Trait – when a majority of an organism shows the trait. Example – most pea plants show as tall Recessive Trait – when a minority of an organism shows the trait. Example – few pea plants show as short Alleles – all the possible choices for a characteristic Example – eye color – blue, brown, gray, green
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Genotype How the genes code for a specific trait . If the trait is dominant it uses a capital letter Example – Tall (T) If the trait is recessive it uses the same letter but lower case Example – short (t) Genotypes always have two letters – one for dad and one for mom
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Types of genotype Purebred ( homozygous ) dominant – the
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Unformatted text preview: genes only have the dominant trait in its code. Example – Dominant Tall -- TT Purebred ( homozygous ) recessive – the genes only have the recessive trait in its code. Example – Recessive short – tt Hybrid ( heterozygous ) – the genes are mixed code for that trait. Example – hybrid Tall -- Tt Phenotype The outward appearance of the trait. How an organism looks How an organism acts How an organism feels Tricks to remembering the difference between Genotype and Phenotype Genotype – deals with GENE CODE. Phenotype – deals with looks you can take a PHOTO with. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching....
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