Genotype and Phenotype

Genotype and Phenotype

Genotype and Phenotype What is the difference? Review Words Characteristics are the category of a trait Traits the physical, social, and emotional qualities of an organism Example most pea plants show as tall

Recessive Trait when a minority of an organism shows the trait. Example blue eyes, tall, hates carrots Dominant Trait when a majority of an organism shows the trait. Example eye color, height, likes/dislikes Example few pea plants show as short

Alleles all the possible choices for a characteristic Example eye color blue, brown, gray, green 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 Types of genotype Purebred (homozygous) dominant the 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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