Gregor Mendel

The "pea" Man!

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Gregor Mendel was a scientist in the late 1800s and he laid the groundwork for dominant, codominant, and recessive hereditary genetics as we know them today.

Mendel was born on July 22, 1822 in Heizendorf, Austria.

Early Life

Gregor Mendel was born to poor farming parents. As Gregor started to go to school they started to recognize him as a very gifted student. All through school he wanted to be a teacher, but unfortunately after he graduated from high school he was unable to find a job as one. So he decided to go to collage at the University of Olomouc, where he was granted top marks in math and science, but even when he got done he was still unable to pass the test, so he started to look into genes.

He's was a master in science and math!

Experimental Design

Gregor Mendel studied heredity by studying hybrids of plants and animals, but mostly peas.

  • For instance when he bred a green pea and a yellow pea he always got a yellow pea.
  • But when he then bred two of those yellow peas he got some green peas.

Gregor Mendel chose the pea plant because they had an extremely short life cycle.


This what mendel found out when he was looking into hereditary by working with peas.

  • When he crossed two yellow plant, he got both colors.
  • When he crossed a yellow and a green pea, he always got yellow peas.
  • The ratio of yellow to green peas was 3:1.

Mendel grew more than 30 thousand pea plants in a span of fifteen years.

Scientist Reactions

They didn’t really pay that much attention to it, because no one started to look back into it till 35 years after Mendel was dead.

Founded the science of genetics.


It gave scientist a place to start, because they then new about the basis of dominant, codominant, and recessive hereditary genes because of Mendel’s research and what he found out.

Mendel identified many of the rules of heredity.

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