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Seventh Grade (Grade 7) DNA, RNA, and Genetics Questions

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Grade 7 DNA, RNA, and Genetics
DNA makes up our                .
  1. Biosphere
  2. Organisms
  3. Cells
  4. Genes
Grade 7 DNA, RNA, and Genetics
The twisted shape of DNA is called a                .
  1. double ladder
  2. double helix
  3. nucleotide
  4. base pair
Grade 7 DNA, RNA, and Genetics
The sugar for DNA is called                .
  1. Deoxyribose
  2. Ribose
  3. Sucrose
  4. None of these
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
A trait that is controlled by more than two alleles is controlled by                      .
  1. DNA sequencing
  2. multiple phenotypes
  3. hereditary sequencing
  4. polygenic inheritance
Grade 7 DNA, RNA, and Genetics
Each rung of the DNA ladder is made of                         .
  1. a pair of nitrogen bases
  2. a single nitrogen base
  3. three nitrogen bases
  4. four nitrogen bases
Grade 7 DNA, RNA, and Genetics
The letters "DNA" stand for what?
  1. deoxyribonucleic acid
  2. ribonucleic acid
  3. deoxyribose sugar
  4. ribose sugar
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
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