Amoeba Sisters video recap DNA, Chromosomes Genes and Traits

What shape is DNA arranged in?

• Triple helix

• Circular

• Double helix

• Single helix

How many chromosomes do humans have in most body cells?

• 48

• 36

• 23

• 46

What can genes code for?

• Water

• Sugars

• Fats

• Proteins

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What is a real-life example of a trait?

• Human eye color

• Leaf shape

• Water temperature

• Soil type

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What is the significance of chromosomes during cell division?

• They increase cell size

• They produce proteins

• They make it easier to distribute DNA into new cells

• They replicate the cell membrane

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How many nucleotides are seen in the provided diagram?

• 4

• 5

• 6

• 7

Which base does Adenine pair with in DNA?

• Adenine

• Thymine

• Guanine

• Cytosine

Where can the entire DNA code be found in eukaryotes?

• Only in mitochondria

• Only in ribosomes

• Only in the nucleus

• In nearly all of the body cells

If Spike has 36 chromosomes, how many did he inherit from each parent?

• 18 from each parent

• 9 from each parent

• 72 from each parent

• 36 from each parent

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How can UV light potentially affect an organism's traits?

• By decreasing its need for nutrients

• By affecting its growth or pigmentation

• By changing its DNA sequence

• By increasing its water intake

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