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Practice problem

Scientific Fact — Definition & Examples

By Deena Hauze
Humans have 23 pairs of chromosomes. Each chromosome is made of four arms, each called a telomere. They are connected in the middle (think if the crossing point of the letter x) by a centromere.

By National Human Genome Research Institute (NHGRI) from Bethesda, MD, USA CC BY 2.0, via Wikimedia Commons

Use the diagram above to answer the question. Which of the following statements is not a fact about chromosomes?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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