Chapter 11

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Chapter 11 12 testReview
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DNA is copied during a process called

• replication.
• transcription.
• translation.
• transformation.

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In eukaryotes, DNA

• is located in the nucleus.
• is located in the ribosomes.
• floats freely in the cytoplasm.
• is circular.

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What happens during the process of translation?

• Messenger RNA is made from DNA.
• The cell uses information from messenger RNA to
  produce proteins.
• Transfer RNA is made from messenger RNA.
• Copies of DNA molecules are made.

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RNA contains the sugar

• ribose.
• glucose.
• deoxyribose.
• lactose.

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What is produced during transcription?

• RNA molecules
• RNA polymerase
• DNA molecules
• proteins

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What does this show?
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Which RNA molecule carries amino acids?

• messenger RNA
• ribosomal RNA
• transfer RNA
• RNA polymerase

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What are Mendels factors called today?

• Alleles
• Genes
• traits
• characters

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Genes contain instructions for assembling

• purines.
• proteins.
• nucleosomes.
• pyrimidines.

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A mutation that involves a single nucleotide is
called a(an)

• chromosomal mutation.
• point mutation.
• inversion.
• translocation.

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The principle of dominance states that

• all alleles are dominant.
• all alleles are recessive.
• some alleles are dominant and others are
  recessive.
• alleles are neither dominant nor recessive.

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Two plants with the genotypes TT and Tt

• would have the same phenotype.
• have all dominant alleles.
• would have different phenotypes.
• have all recessive alleles.

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What principle states that during gamete
formation genes for different traits separate
without influencing each others inheritance?

• principle of dominance
• principle of independent assortment
• principle of probabilities
• principle of segregation

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Organisms that have two identical alleles for a
particular trait are said to be

• hybrid.
• Heterozygous.
• homozygous.
• dominant.

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The Punnett square in Figure 11-5 shows that the
gene for pea shape and the gene for pea color

RY Ry rY ry
RY RRYY RRYy RrYY RrYy Seed Shape R Round r Wrinkled
RrYy Ry RRYy RRyy RrYy Rryy Seed Color Y Yellow y Green
RrYy rY RrYY RrYy rrYY rrYy Seed Color Y Yellow y Green
ry RrYy Rryy rrYy rryy
RrYy

• assort independently.
• are linked.
• have the same alleles.
• are always homozygous.

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The number of chromosomes in a gamete is
represented by the symbol

• 2N.
• N.
• X.
• Y.

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Situations in which one allele for a gene is not
completely dominant over another allele for that
gene are called

• multiple alleles.
• codominant alleles.
• incomplete dominance.
• multiple genes.

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Gametes are produced by the process of

• mitosis.
• crossing-over.
• meiosis.
• replication.

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Unlike mitosis, meiosis results in the formation
of

• diploid cells.
• 2N daughter cells.
• haploid cells.
• body cells.

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• What is shown in Figure?
• independent assortment
• crossing-over
• anaphase I of meiosis
• incomplete dominance

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Traits that are produced by the interaction of
several genes are said to be

• polygenic.
• haploid.
• Codominant.
• diploid.

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Which type of RNA functions as a blueprint of the
genetic code?

• rRNA
• mRNA
• tRNA
• RNA polymerase

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Offspring that result from crosses between
true-breeding parents with different traits

• are true-breeding.
• make up the parental generation.
• make up the F2 generation.
• are called hybrids.

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Mendels principles of genetics apply to

• plants only.
• pea plants only.
• animals only.
• all organisms.

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In the P generation, a tall plant was crossed
with a short plant. Short plants reappeared in
the F2 generation because

• some of the F2 plants produced gametes that
  carried the allele for shortness.
• the allele for shortness is dominant.
• the allele for shortness and the allele for
  tallness segregated when the F1 plants produced
  gametes.
• they inherited an allele for shortness from one
  parent and an allele for tallness from the other
  parent.

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Punnett square shows all of the following EXCEPT

• all possible results of a genetic cross.
• the genotypes of the offspring.
• the alleles in the gametes of each parent.
• the actual results of a genetic cross.

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If an organisms diploid number is 12, its
haploid number is

• 12.
• 24.
• 6.
• 3.

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During transcription, an RNA molecule is formed

• that is complementary to both strands of DNA.
• that is complementary to neither strand of DNA.
• that is double-stranded.
• inside the nucleus.

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Unlike mitosis, meiosis results in the formation
of

• two genetically identical diploid cells.
• four genetically different haploid cells.
• four genetically identical haploid cells.
• two genetically different diploid cells.

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Which of the following is a nucleotide found in
DNA?

• ribose phosphate group thymine
• ribose phosphate group uracil
• deoxyribose phosphate group uracil
• deoxyribose phosphate group cytosine

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During mitosis, the

• DNA molecules unwind.
• histones and DNA molecules separate.
• DNA molecules become more tightly coiled.
• nucleosomes become less tightly packed.

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DNA replication results in two DNA molecules,

• each with two new strands.
• one with two new strands and the other with two
  original strands.
• each with one new strand and one original strand.
• each with two original strands.

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Which type(s) of RNA is(are) involved in protein
synthesis?

• transfer RNA only
• messenger RNA only
• ribosomal RNA and transfer RNA only
• messenger RNA, ribosomal RNA, and transfer RNA

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Which of the following is NOT a gene mutation?

• Inversion
• Deletion
• Insertion
• substitution

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Unlike DNA, RNA contains

• adenine.
• phosphate groups.
• uracil.
• thymine.

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Good Luck and Study Hard!!!