help study for science test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 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.
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| 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.
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| What are the male and female sex chromosomes? | The female sex chromosome is XX ,but the male sex chromosome is XY.
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| How does down syndrome occur? |
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| What is sickle cell anemia? |
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| 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.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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