Genes, DNA, heredity

Genes are the basic unit of heredity. Genetic information is encoded in a linear sequence of

• nucleic acids.
• amino acids.
• carbohydrates.
• fatty acids.

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The diagram represents a molecule of 

• DNA
• ATP
• FSH
• RNA

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What shape is DNA?

• a circle

• a triangle

• a double helix

What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into

• something inside the nucleus

• a section/piece of DNA

• all of your DNA

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DNA contains

• Protein producing ribosomes

• the genetic code for all life forms

• Cytoplasm in the cell

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Which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

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What is the name of this structure found in our nucleus?

• chromosome

• gene

• ribosome

• DNA

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Both a rose bush and a muskrat have 25 chromosomes but they look very different. Which of the following best explains why they do not look the same?

• They belong to different kingdoms

• They have a different number of cells

• They have different life cycles

• They have different genes

• They are different sizes

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Where is the genetic information stored in dolphins and sharks?

• Only in the skin cells

• Only in the reproductive cells

• In its environment

• In all of its cells

• Only in blood cells

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If one leaf cell in a tree contains 40 chromosomes, how many chromosomes are there in a root cell from this same tree?

• 15

• 20

• 30

• 40

• 80

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