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

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Grade 9 DNA, RNA, and Genetics
The hybrid offspring of the P generation is the
  1. F1 generation.
  2. F2 generation.
  3. P2 generation.
  4. S generation.
Grade 9 DNA, RNA, and Genetics
What states that genes for different traits can segregate independently during the formation of gametes?
  1. segregation principle
  2. independent assortment principle
  3. gene separation principle
  4. gamete principle
Grade 9 DNA, RNA, and Genetics
Each strand of DNA is read how many bases at a time?
  1. 6
  2. 3
  3. 8
  4. 10
Grade 9 DNA, RNA, and Genetics
Each strand of DNA serves as a                 for the new strand.
  1. code
  2. template
  3. copy
  4. parent
Grade 9 DNA, RNA, and Genetics
All the alleles in a population are together called the
  1. gene pool.
  2. total alleles.
  3. human genome.
  4. allele frequency.
Grade 9 DNA, RNA, and Genetics
Which statement regarding sex chromosome abnormalities is incorrect?
  1. Individuals with three X chromosomes are indistinguishable from individuals with only two X chromosomes, except by karyotype.
  2. Individuals with two X chromosomes and one Y chromosome are abnormally tall females of average intelligence.
  3. Individuals with only a single X chromosome are females who exhibit Turner Syndrome and are sterile.
  4. Individuals with two X chromosomes and one Y chromosome are sterile males that can experience breast enlargement and other female characteristics, if untreated.
Grade 9 DNA, RNA, and Genetics
How many codon combinations are on a codon table?
  1. 64
  2. 45
  3. 20
  4. 57
Grade 9 DNA, RNA, and Genetics
Egg cells always have one X chromosome.
  1. True
  2. False
Grade 9 DNA, RNA, and Genetics
There are 64 codons and 20 amino acids. Which of the following is true?
  1. Some amino acids have no link to a codon
  2. Each amino acid is specified by only one codon
  3. Each codon specifies a different amino acid
  4. Several different codons can specify the same amino acid
Grade 9 DNA, RNA, and Genetics
Two birds mate that are heterozygous for green feather color. What would you expect the phenotypic ratio of their offspring to be?
  1. 1 green: 3 yellow
  2. 2 green: 2 yellow
  3. 3 green: 1 yellow
  4. all green
Grade 9 DNA, RNA, and Genetics
Homology is limited to physical structures only.
  1. True
  2. False
Grade 9 DNA, RNA, and Genetics
DNA does not have to break apart to be copied.
  1. True
  2. False
Grade 9 DNA, RNA, and Genetics
All living things share a universal genetic code.
  1. True
  2. False
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