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Ninth Grade (Grade 9) DNA, RNA, and Genetics Questions

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Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
Who is renowned as the Father of Genetics?
  1. Gregor Mendel
  2. Charles Darwin
  3. Jean Baptiste Lamarck
Grade 9 DNA, RNA, and Genetics
When did Mendel conduct his investigations in genetics?
  1. before DNA was discovered
  2. after scientists had complete knowledge of DNA and chromosomes
  3. at the same time that Watson and Crick were working on their DNA model
Grade 9 DNA, RNA, and Genetics
Which characteristic does not belong to DNA?
  1. single stranded
  2. double stranded
  3. deoxyribose sugar
  4. four nitrogenous bases
Grade 9 DNA, RNA, and Genetics
What do all organisms have in common?
  1. They use DNA and RNA to pass on information.
  2. They are all prokaryotes.
  3. They are all eukaryotes.
  4. They are genetically identical.
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
In order to produce a normal baby boy, an egg must be fertilized with a sperm containing
  1. a Y chromosome.
  2. an X chromosome.
  3. two X chromosomes.
  4. an X and Y chromosome.
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
The passing on of genetic characteristics from parents to offspring is
  1. heredity.
  2. probability.
  3. assortment.
  4. reproduction.
Grade 9 DNA, RNA, and Genetics
Where is DNA located in a eukaryotic cell?
  1. cell wall
  2. cytoplasm
  3. mitochondria
  4. nucleus
Grade 9 DNA, RNA, and Genetics
What are the two main steps for using genes to create proteins?
  1. replication and synthesis
  2. translation and replication
  3. transcription and replication
  4. transcription and translation
Grade 9 DNA, RNA, and Genetics
If child has a trait that neither parent has, then
  1. the trait is recessive.
  2. both parents are heterozygous for the trait.
  3. the child must have inherited the trait from the grandparents.
  4. a and b
Grade 9 DNA, RNA, and Genetics
If a man has a sex-linked disorder, then
  1. all of his sons will have the disorder.
  2. half of his sons will have the disorder.
  3. all of his daughters will have the disorder.
  4. all of his daughters will, at least, be carriers of the disorder.
  5. none of the above
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