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

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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 number of chromosomes in a cell produced by mitosis is
  1. half as many as the original cell.
  2. twice as many as the original cell.
  3. the same number as the original cell.
  4. random, depending on factors present.
Grade 7 DNA, RNA, and Genetics
The factors that control a trait
  1. Trait
  2. Alleles
  3. Genes
  4. Sex Cells
Grade 7 DNA, RNA, and Genetics
Attached earlobes are a characteristic that is seen when a person inherits a recessive allele, e, for this trait from each parent.

Which statement is correct?
  1. The genotype ee determines the phenotype.
  2. The phenotype ee determines the genotype.
  3. The genotype ee is an acquired trait.
  4. The phenotype ee is an acquired trait.
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Offspring that are the result of sexual reproduction are
  1. never identical to the parents
  2. sometimes identical to the parents
  3. always identical to the parents
  4. always identical to other offspring
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
The transmission of characteristics from parent to offspring is called
  1. development.
  2. heredity.
  3. metabolism.
  4. homeostasis.
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
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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