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DNA, RNA, and Genetics Questions - All Grades

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Grade 11 DNA, RNA, and Genetics
The genetic makeup of an organism is its                .
  1. genotype
  2. traits
  3. phenotype
  4. homozygous
Grade 7 DNA, RNA, and Genetics
The physical expression of an organism's genes is its
  1. genotype.
  2. phenotype.
  3. mutations.
  4. codominance.
Grade 9 DNA, RNA, and Genetics
Where are genes located?
  1. in the nucleus
  2. in the cytoplasm
  3. on the chromosomes
  4. on the ribosomes
Grade 6 DNA, RNA, and Genetics
What is the passing of traits from parent to offspring?
  1. genetics
  2. meiosis
  3. heredity
  4. mitosis
Grade 10 DNA, RNA, and Genetics
Given the following DNA strand, what is its complementary mRNA? G G A C T G A T T
  1. CCTGACTAA
  2. CCUGACUAA
  3. GGACTGATT
  4. TTAGTCAGG
Grade 9 DNA, RNA, and Genetics
The process by which RNA is made from DNA is called
  1. translation.
  2. transcription.
  3. replication.
  4. respiration.
Grade 7 DNA, RNA, and Genetics
When alleles for a trait are different, the organism is                .
  1. homozygous
  2. heterozygous
  3. true bred
  4. purebred
Grade 9 DNA, RNA, and Genetics
The sugar in RNA is                    , and the sugar in DNA is                    .
  1. ribose; uracil
  2. ribose; phosphate
  3. deoxyribose; ribose
  4. ribose; deoxyribose
Grade 9 DNA, RNA, and Genetics
The nucleotide sequence coding for an amino acid is a(n)
  1. base.
  2. codon.
  3. amine.
  4. serine.
Grade 5 DNA, RNA, and Genetics
A characteristic passed from parents to their offspring is a(n)
  1. inherited trait.
  2. dominant trait.
  3. recessive trait.
  4. gene.
Grade 7 DNA, RNA, and Genetics
The factors that control a trait are
  1. cells.
  2. pedigrees.
  3. genes.
  4. sex cells.
Grade 11 DNA, RNA, and Genetics
Mutations are a source of
  1. genetic equilibrium.
  2. disruptive selection.
  3. speciation.
  4. genetic variation.
Grade 6 DNA, RNA, and Genetics
DNA is found in a cell's membrane.
  1. True
  2. False
Grade 6 DNA, RNA, and Genetics
An offspring inherits both dominant and recessive alleles for a trait. The offspring is a
  1. fertilization.
  2. hybrid.
  3. variation.
  4. budding.
Grade 5 DNA, RNA, and Genetics
What three things are true about Gregor Mendel? (Select all that apply.)
  1. He was a monk in the 1800s.
  2. He liked to breed different types of animals.
  3. He studied genes by working with pea plants.
  4. He learned about dominant and recessive genes.
  5. He tried to grow the largest tomatoes.
Grade 5 DNA, RNA, and Genetics
What is the function of chromosomes?
  1. They produce energy in a cell.
  2. They contain all the information that directs and controls a cell's activities.
  3. They leave one cell to form a new cell when a cell divides.
  4. They link together to form the cell membrane.
Grade 8 DNA, RNA, and Genetics
A genotype with the alleles AA or Aa is
  1. dominant.
  2. recessive.
  3. Punnett.
  4. evolved.
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