Unit 4 · In Vitro Fertilization (IVF)

Heredity and Mendelism Presentation

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Science and Technology, Grade 10 · Unit 4

Heredity and Mendelism

Pea plant experiments · 3 : 1 and 1 : 2 : 1 · Guinea pigs

By the end of this lesson you can

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Define heredity, gene and genetics

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Name the seven pea character pairs

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Work out 3 : 1 and 1 : 2 : 1

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State the laws of dominance and purity of gametes

Why offspring resemble parents

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Parents pass characters to their young

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Genes carry each character

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Genes sit in chromosomes in the nucleus

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Genetics studies genes, heredity, variation

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Presenter notes: Today we find out why children look like their parents, and how a monk growing peas in his garden worked out the rules behind it.