Genes & DNA

Where in the cell is DNA found?

• Nucleus

• Cytoplasm

• Chloroplast

• Cell Membrane

The drawing shows the structure of what molecule?

• A DNA molecule
• A lipid molecule
• A carbohydrate molecule
• A protein molecule

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What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

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Which of the following best describes the shape of a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

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What are sections of DNA called?

• DNA

• Genes

• Chromosomes

• Nucleus

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A gene determines a __________ such as eye or hair color.

• nucleus

• DNA

• chromosome

• Trait

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How many pairs of chromosomes do humans have?

• 21

• 22

• 23

• 24

How are similarities passed from parent to offspring?

• through teaching

• through learning

• through blood

• through genes

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Why do offspring usually look like their parents?

• Their parents choose their features and make sure they look similar to themselves.

• The offspring adapt to their surroundings making them look more like their parents

• Offspring receive characteristics that have been passed down from their parents

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A chromosome is best described as a

• gene that has more than one form.
  
• green cell found in many plants.
  
• strand of DNA containing genetic information.
  
• reproductive cell found in certain kinds of bacteria

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