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DNA
DNA
Replication
Mutations
RNA
Disorders
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1
What is ….A DOUBLE HELIX
This term describes the shape
of DNA.
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2
What are ….NUCLEOTIDES.
These are the small, repeating units
that DNA is composed of.
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3
What is ….DEOXYRIBOSE.
This is the sugar that is found in
DNA.
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4
What are ….HYDROGEN
BONDS.
These are the types of bonds that
are found between complementary
base pairs.
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1
What is ….S PHASE.
DNA replication occurs during
this phase of the cell cycle.
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2
What is …. HELICASE.
This enzyme unwinds twisted
strands of DNA.
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3
What is …. SEMI-CONSERVATIVE
Because newly synthesized
DNA contains one parent strand
and one new strand, replication
is said to be this.
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4
What is….DNA Polymerase
This is the enzyme that adds DNA
nucleotides during replication.
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1
What are….SOMATIC CELLS
Mutations can occur in sex cells,
or in this type of cell.
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2
What are ….GAMETES
Mutations that occur in these type of cells
will be passed on to future generations.
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3
What is …. NON-DISJUNCTION.
When homologous chromosomes fail to
separate properly during anaphase 1 of
meiosis, it is referred to as this.
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4
What is ….TRANSLOCATION.
When one part of a non-homologous
chromosome breaks off and attaches to
another chromosome it s referred to as
this type of mutation.
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1
What is….RIBONUCLEIC ACID
This is the full name of RNA.
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2
What is….URACIL.
RNA contains this base instead of
Thymine.
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3
What is ….RIBOSE.
This is the sugar that is found in
RNA.
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4
What is ….THREE
There are this many types of RNA.
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1
What is ….TRISOMY 21.
Downs Syndrome is also known as
this, because of its 3 copies of
chromosome 21.
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2
What is ….KLINEFELTERS
This disorder is found in males who
have the genotype XXY.
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3
What is….X__
Females who have Turners
Syndrome have this as their
genotype.
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4
What is ….MONOSOMY
Non-disjunction can result in a
trisomy or this chromosome
abnormality.
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FINAL JEOPARDY
CATEGORY:
Mutations and
Disorders
• This genetic disorder is caused by
an extra copy of chromosome 18,
and has the following
characteristics:
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1/3000 births
Mental Retardation
Failure to thrive
Heart defect
Overlapping fingers
Low set, fawn-like ears
Answer…
• What is…
EDWARDS SYNDROME