DNA and Heredity

The passing of DNA from parents to offspring

• Generation
• Heredity
• Inheritance
• Traits

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What is a gene?

• An entire chromosome that  codes for a trait
• a piece of clothing
• a piece of a DNA on chromosome that codes for a trait
• Chemical messengers in your brain that code for a trait

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Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

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Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

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The backbone of a DNA molecule is made from a 5 carbon ______________ and a _______________ group.

• lipid, carbon

• sugar, phosphate

• nitrogen, oxygen

• nitrogen, sulfur

What are the four nitrogen bases?

• adenine, thymine, guanine, cytosine
• adenine, lysine, prolene, guanine
• arganine, cytosine, lysine, purine
• lysine, cytosine, lucine, guanine

DNA makes a copy of itself in a process called ________________________________?

• translation

• replication

• transcription

• division

What are the building blocks for DNA?

• carbohydrates
• nucleotides
• lipids
• proteins

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains uracil

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What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

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