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DNA, RNA, and Genetics Questions - All Grades

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Grade 7 DNA, RNA, and Genetics
The twisted shape of DNA is a
  1. double ladder.
  2. double helix.
  3. nucleotide.
  4. base pair.
Grade 7 DNA, RNA, and Genetics
DNA makes up our
  1. biosphere.
  2. organisms.
  3. cells.
  4. genes.
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
The sugar in DNA is
  1. deoxyribose.
  2. ribose.
  3. sucrose.
  4. glucose.
Grade 7 DNA, RNA, and Genetics
Grade 8 DNA, RNA, and Genetics
The composition of an organism on the genetic level is its
  1. genotype.
  2. phenotype.
  3. adaptation.
  4. evolution.
Grade 8 DNA, RNA, and Genetics
What is the purpose of a Punnett square?
  1. to diagram family relationships that include several generations
  2. to explain why some genes are recessive and others are dominant
  3. to compare inherited traits to acquired traits
  4. to illustrate how the alleles of parents might be passed on to their offspring
Grade 7 DNA, RNA, and Genetics
The letters "DNA" stand for
  1. deoxyribonucleic acid.
  2. ribonucleic acid.
  3. deoxyribose sugar.
  4. ribose sugar.
Grade 7 DNA, RNA, and Genetics
Grade 8 DNA, RNA, and Genetics
Passing traits from parents to offspring is
  1. genetics.
  2. heredity.
  3. evolution.
  4. genes.
Grade 7 DNA, RNA, and Genetics
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