Genetics Gregor Mendel – “___________________”

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Presentation transcript:

Genetics Gregor Mendel – “___________________” Austrian Monk in the Czech Republic Mendel worked in the ________________ Mendel worked with _________________ Mendel studied the ___________________ of pea plants Mendel observed the ___________________________________ Biology - Chapter 11

Genetics Genetics: ______________________________________________________ Heredity: ________________________________________________________________________ Traits: ________________________________________________________________________ Example: the pea plant’s seed shape, color, height, flower position Biology - Chapter 11

3 reasons why Mendel studied genetics Mendelian Genetics 3 reasons why Mendel studied genetics He selected the pea because of its _________________. Example: flower color, seed color, seed shape He knew from prior experiments that ____________________________________________ Pea Plant was ___________ Biology - Chapter 11

Biology - Chapter 11

Pea Plant Traits Biology - Chapter 11

Pea Plant Flower Biology - Chapter 11

Mendelian Genetics Fertilization: ____________________________________________________________________________________________________________________________________________ True-Breeding: _________________________________________________________________________________________________________ Biology - Chapter 11

Mendel’s Experiment Gregor Mendel studied garden peas. Pea plants are usually self-pollinating. Self-pollination: ________________________________________________________________________________________________________________________________________________________________ These self-pollinating pea plants produced ________________________________________________________________________________ Biology - Chapter 11

· What Mendel found was that all the offspring were _____ Mendel wanted to see what would be the offspring of a tall pea plant X with a short (dwarf) pea plant.   TT (Tall)  x tt (Short) ·    This is called a monohybrid cross ______________________________________________  ·    Mendel expected to find all the offspring to be of medium height (a blending of tall and short plants.) ·    What Mendel found was that all the offspring were _____ ·    Mendel concluded that we have _________ (called (____) that control each trait.  Biology - Chapter 11

TT (Tall) x tt (Short) Biology - Chapter 11     _____________________________________________ (alleles).  Example: tall and short   TT (Tall)  x tt (Short) Biology - Chapter 11

Mendel’s Monohybrid Cross Mendel concluded that we have two factors (called (_______) that control each trait.    ·    Each of these genes can be expressed in different forms (________).  Example: tall and short Biology - Chapter 11

Genetic Terms Gene – ____________________________________ Allele – ___________________________________ Dominant allele – ______________________________________________________________________________ Recessive allele – _____________________________________________________________________________________________________________________ Biology - Chapter 11

Laws of Genetics Law of independent assortment – ____________________________________________________________________________________ Law of segregation – __________________________________________________________________________________________ Biology - Chapter 11

Laws of Genetics Law of dominance – ______________________________________________________________________   Probability – ______________________________________________________________________ Punnet Square – _________________________________________________________________________________________________________ Biology - Chapter 11

Laws of Genetics Monohybrid cross – ____________________________________________________________________________________ Dihybrid cross- ____________________________________________________________________________________   Test cross – ______________________________________________________________________________________________________________________________ Biology - Chapter 11

Laws of Genetics Complete dominance: _______________________________________________________________________________________________ Biology - Chapter 11

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