Review Topic 6.1: DNA & RNA Structure

Which sentence is FALSE?

• All organisms have 23 pairs of DNA.
• Chromosomes are made of genes.
• DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine
• DNA is the recipe for life.

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NGSS.HS-LS1-1

The traits of an organism are passed to its offspring on small coded strands of DNA material called

• meiosis
• recessive traits
• genes
• heredity

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NGSS.HS-LS3-1

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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NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is the name given to part of a DNA molecule that codes for a protein?

• Glucose
• Chromosome
• Gene
• Phosphate

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NGSS.HS-LS3-1

What is this image showing?

• DNA
• Chromosome
• Alleles
• Phenotype

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NGSS.HS-LS1-1

What is this image showing?

• DNA
• Chromosome
• Alleles
• Phenotype

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NGSS.HS-LS3-1

Why do offspring look similar to their parents?

• They have some of the same DNA

• They have exactly the same DNA

• They have some of the same DMA

• They live in the same country

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NGSS.HS-LS3-1

Long strands of DNA are called

• DNA
• Chromosome
• Alleles
• Phenotype

Deoxyribonucleic Acid is better known as ________

• DNA
• Chromosome
• Alleles
• Phenotype

______ is the physical expression of genes

• DNA
• Chromosome
• Alleles
• Phenotype

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NGSS.HS-LS1-1