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genetics2studyguide

help study for science test

QuestionAnswer
Traits are influenced by genes and environmental factors.Explain the difference. Traits that are passed down by genes are traits given to you by your parents, but traits influenced by environmental factors are caused by how you live your life.
What is a carrier? A carrier is somebody who has the gene for a genetic disease ,but doesn't experience any of the symptoms of the disease.
What are the male and female sex chromosomes? The female sex chromosome is XX ,but the male sex chromosome is XY.
How does down syndrome occur?
What is sickle cell anemia?
Describe DNA(include its shape and what it's made of) DNA is genetic material that gives you you're traits. DNA is shaped like a spiral stair case or a helix. DNA is made of adenine, thymine, guanine, and cytosine.
Created by: 200372312
 

 



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