Inherited Trait Notes

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Inherited Trait Notes
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Where did I get my genes?

• Half my chromosomes came from my father and half
  from my mother
• 23 chromosomes from dad
• 23 chromosomes from mom
• 46 total

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Dominant vs. Recessive Genes

• 2 dominant genes dominant gene
• 2 recessive genes recessive gene
• 1 dominant gene 1 recessive gene dominant
  gene
• Dominant always wins because it is stronger!

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• Heredity is the passing of traits from one
  generation to the next generation

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Who experiemented with genes?

• Gregor Mendel experimented with pea plants.
• Punnett Square

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How do I use a Punnet Square?
Dominant genes are respresented by a CAPITAL
LETTER Recessive genes are represented by a
lowercase letter.
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For example

• Brown hair B
• Light colored hair b
• Lets do this together!

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How can I tell the difference between instincts
and learned behaviors?

• Instincts Inherited behaviors that are automatic
• Learned Behaviors Behaviors that you acquire
  from observation or by being taught