Genetics

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Genetics
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Genetics

• Genetics

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Genetics

• Genetics study of heredity

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Genetics

• Genetics study of heredity
• Heredity

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Genetics

• Genetics study of heredity
• Heredity passing on of traits from one
  organism to its offspring

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Genetics

• Genetics study of heredity
• Heredity passing on of traits from one
  organism to its offspring
• Trait

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Genetics

• Genetics study of heredity
• Heredity passing on of traits from one
  organism to its offspring
• Trait characteristics of an organism

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Genetics

• Dominant the stronger trait
• Recessive the weaker trait
• Genotype the genetic make up of an organism

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Gregor Mendel
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Gregor Mendel

• Father of Genetics

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Gregor Mendel

• Father of Genetics
• Studied pea plants to find a pattern in the way
  characteristics are handed down from one
  generation to the next

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Gregor Mendel

• Mendel chose pea plants because

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Gregor Mendel

• Mendel chose pea plants because
• They grow and reproduce quickly.

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Gregor Mendel

• Mendel chose pea plants because
• They grow and reproduce quickly.
• They had a variety of traits that could be
  studied.

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Gregor Mendel

• Mendel chose pea plants because
• They grow and reproduce quickly.
• They had a variety of traits that could be
  studied.
• He could easily breed them through pollination.

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• hybrid - has genes that are different for a trait

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• hybrid - has genes that are different for a trait
• Ex. - Yy or Dd or Nn or Pp

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• hybrid - has genes that are different for a trait
• Ex. - Yy or Dd or Nn or Pp
• purebred - has genes that are alike for a trait

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• hybrid - has genes that are different for a trait
• Ex. - Yy or Dd or Nn or Pp
• purebred - has genes that are alike for a trait
• Ex. - YY or yy or DD or dd or NN or nn

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• hybrid - has genes that are different for a trait
• Ex. - Yy or Dd or Nn or Pp
• purebred - has genes that are alike for a trait
• Ex. - YY or yy or DD or dd or NN or nn
• genes basic units of heredity

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White wool - (W) dominant Black wool - (w)
recessive
P generation
F1 generation
homozygous
F2 generation
heterozygous