Gregor Mendel
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When did Gregor enter a monetary?
Age 21.
What did Gregor do in his days at the monastery?
He worked in the garden.
What happened after Mendel started working in the garden?
He started experimenting on food.
What did Mendel study mostly?
Pea Plants.
Why did Mendel study the vegetable that he did?
Because pea plants are true breeding plants
What is true breeding?
When the parents look exactly like the offspring
Traits are passed from parent to offspring
Genetic Principle #1
Traits of and organism are controlled by genes
Genetic principle #2
What happened when Mendel combined the traits of two different plants?
3 out of four plants took a dominant trait.
Putting pollen from one plant into the stigma of another.
Cross pollination
What were mendel’s first experiment.
He studied 7 traits.
What happened anytime Mendel did a cross?
The recessive trait vanished/
A trait that would show itself when present.
Dominant trait
A trait covered when the dominant is also present.
Recessive trait
What was mendel’s 2nd experiment?
He allowed his first generation plats (the children of the tall/short experiment) to self pollinate.
How can the ratio 3:1 be explained?
Organisms inherit genes in pairs, one from mom, one from dad.
Organisms inherit genes in pairs, one from each parent.
Genetic principle #3
What is Gregor called?
The father of modern genetics