Download Guided Notes - Boone County Schools

Guided Notes Name _________________________________ Date _______________ Class ______ ● Heredity­ ● We are a little different from our parents, because we have a mix of ​
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from our parents ○ Half of our DNA comes from mom ○ the other half comes from dad ● Some genes parents pass down are recessive, while some are dominant. ○ anytime a _____________ trait is partnered with recessive trait­­­­­­ the dominant train will always win over the recessive in an organism’s physical appearance. ● a _____________________is a mistake, or change in genetic material ● they are caused by: ○ mistakes ______________________ ○ exposure to radiation or chemicals ○ ___________________________ ● The big thing to remember: The only way a mutation can be passed onto the next generation is if: ● When genetic mutations happen, they can be: ○ _________________ ○ harmful ○ __________________ ● If the mutation is beneficial, it gives the organism a greater chance of: ○ finding ______________ ○ _______________________________________predators ○ finding a ____________ ■ passing on mutation/adaptation to future generations Adaptations ● An adaptation is a ___________________________________ over multiple generations in an organism's: ○ _____________________ ○ ______________________(like a fast metabolism) ○ ____________________ (fight or flight) ■ This is called ​
Natural Selection ● Adaptations ​
___________________________________________ ○ But most mutations don’t result in _______________ ○ In fact, the majority of mutations that occur in organisms have either no effect or a harmful effect.