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

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Grade 7 :: DNA, RNA, and Genetics by Tooches
Grade 7 :: DNA, RNA, and Genetics by pdeem
Grade 7 :: DNA, RNA, and Genetics by jlovering
What are homologous chromosomes?
  1. chromosome pairs that come from each parent
  2. chromosomes that are exact copies of each other
  3. chromosomes only found in humans
  4. All of the above
Grade 7 :: DNA, RNA, and Genetics by doliver701
Which of these is not a type of genetic mutation?
  1. Point
  2. Insertion
  3. Delineation
  4. Chemical
Grade 7 :: DNA, RNA, and Genetics by PMISIAS
What are the nitrogen base pairs in a DNA molecule?
  1. adenine pairs with thymine; guanine pairs with cytosine
  2. guanine pairs with thymine; adenine pairs with cytosine
  3. adenine pairs with guanine; thymine paris with cytosine
  4. all of the above
Grade 7 :: DNA, RNA, and Genetics by jlovering
Mistakes made when DNA is being copied are called:
  1. selections
  2. mutations
  3. interactions
  4. crossover
Grade 7 :: DNA, RNA, and Genetics by jlovering
The physical expression of an organism's genes is called its:
  1. genotype
  2. phenotype
  3. mutations
  4. codominance
Grade 7 :: DNA, RNA, and Genetics by pdeem
Grade 7 :: DNA, RNA, and Genetics by jlovering
Grade 7 :: DNA, RNA, and Genetics by Tooches
Grade 7 :: DNA, RNA, and Genetics by Justindog2555566
Grade 7 :: DNA, RNA, and Genetics by angela22
Grade 7 :: DNA, RNA, and Genetics by Ambermay1974
What sort of variation is inherited?
  1. Environmental variation
  2. Behavioral variation
  3. Genetic variation
  4. Variation is not inherited
Grade 7 :: DNA, RNA, and Genetics by pdeem
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
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