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Please Watch The Introduction to Variation:

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Variation is the differences between individuals in a population

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Phenotype= genotype + environmental effects

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A persons unique characteristics are caused by:

The set of genes they inherited from there parents nature

The environment in which they developed (nature)

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Increases species chance of survival

Procces that occurs naturally without human interferance

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Also watch This:

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How Environment Affects our Genes and What is a Phenotype

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How are a child's behavior and health later in life determined by the child's early social environment? In this video Dr. Szyf explains what a phenotype is and how a child's experiences during the first 2 ½ years of life can affect the child throughout life.

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The full set of an organism is called its GENOTYPE

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All the observable characteristics of an oraganisms are called it’s PHENOTYPE

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https://m.youtube.com/watch?v=hOfRN0KihOU
https://m.youtube.com/watch?v=hOfRN0KihOU

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Problems can occur in selective breeding including effects in some animals due to lack of irritation.

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Selective Breeding | Biology for All | FuseSchool

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Selective breeding is also known as artificial selection. It is the process by which humans breed plants and animals for particular genetic characteristics. We have been doing this for thousands of years - ever since we first bred food crops from wild plants, and started domesticating animals about 10,000 years ago.

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This is when the taller graffes can eat but then smaller graffes can’t so the smaller graffes die and then the taller graffes reproduce and make taller graff baby’s

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https://m.youtube.com/watch?v=aTftyFboC_Mhttps://m.youtube.com/watch?v=aTftyFboC_M

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Selective breeding isn’t a process where humans 🚶🏿Try and improve plants 🌳and animals 🐖by selecting those that have desirable characteristics 🏖🔥🌟

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Selective breeding reduces variation in the alleles of a breed of animal species or plants because only individuals with the chosen alleles are allowed to breed. This not only reduces the variation between individuals but also variation in the alleles for a given characteristic.

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https://quizlet.com/subject/biology-evolution-guide/
https://quizlet.com/subject/biology-evolution-guide/

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https://m.youtube.com/watch?v=GhHOjC4oxh8https://m.youtube.com/watch?v=GhHOjC4oxh8

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Key points of selective breeding is a process where humans breed plants and animals for designed characteristics. They include decease resistance, increases food production in animals and plants, domestic dogs with gentle nature and heavily scented flowers.

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https://m.youtube.com/watch?v=fHS-OY9XDZchttps://m.youtube.com/watch?v=fHS-OY9XDZc

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To Begin with, watch this video on genetic variation:

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Uploaded by Mosa Mack Science on 2015-09-25.

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Selective breeding or artificial selection, is a process where people try to improve plants and animals by selecting and breeding on those with the desired characteristics.
Over time Selective breeding reduces the variation in the alleles of a breed of animals or plants beciase only those with the desired alleles are allowed to breed. This makes then gene pool smaller and less varied.
Problems can occur with a selective breeding including defects due to lack of variation in the gene pool

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Variation- the differences between each individuals in a population
A person’s unique characteristics are caused by- the set of genes they inherited from their parents (nature). The enviroment in which they developed (nuture).
All observable characteristics of an organism are called a phenotype. The full set of genes of an organism is called a genotype.
Examples:
Genes- fingerprints, blood group, ear lope shape, skin colour and mass.
Enviroment- vegetarianism, mass, skin colour and musical taste.

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Explain how genetic mutations can be beneficial when environments change