28288216
Beschreibung
Quiz von Jordyn Davis, aktualisiert more than 1 year ago
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Erstellt von Jordyn Davis
vor fast 4 Jahre
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Frage 1
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a [blank_start]gene[blank_end] is a heritable factor that consists of the length of DNA and influences a specific characteristic
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gene
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locus
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allele
Frage 2
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the [blank_start]locus[blank_end] occupies a specific position on the [blank_start]chromosome[blank_end]
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locus
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chromosome
Frage 3
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[blank_start]alleles[blank_end] are different forms of the same gene that occupy the same locus
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alleles
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loci
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mutations
Frage 4
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alleles differ from only one or a few bases
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- True
- False
Frage 5
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what are single nucleotide polymorphisms?
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positions in a gene where there is only one base
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positions in a gene where more than one bases are present
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a specific position on the chromosome
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different forms of the same gene that occupy the same locus
Frage 6
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[blank_start]mutations[blank_end] are random changes to the base sequence of DNA
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mutations
Frage 7
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what is an example of a mutation?
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sickle cell anemia
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malaria
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Klinefelter's disease
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Turner's disease
Frage 8
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[blank_start]sickle cell anemia[blank_end] is caused by a mutation in the [blank_start]alpha-globin[blank_end] polypeptide in [blank_start]hemoglobin[blank_end]
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sickle cell anemia
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alpha-globin
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hemoglobin
Frage 9
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what happens to the red blood cells once they become sickle cells?
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they change shape, become trapped in the capillaries, and reduce blood flow
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the change shape, become trapped in the arteries, and reduce blood pressure
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they are heritable factors that consist of the length of DNA and influence a specific characteristic
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they are specific positions on a chromosome
Frage 10
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a [blank_start]genome[blank_end] is the entire base sequence of each of the DNA molecules in an organism
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mutation
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gene
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genome
Frage 11
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where is the genome located in bacteria/prokaryotes?
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in nuclear chromosomes plus DNA in mitochondria and chloroplasts
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in circular chromosomes plus and plasmids present
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in nuclear chromosomes plus DNA in mitochondria
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in circular chromosomes plus DNA in mitochondria and alleles
Frage 12
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check off the structural and genetic characteristics of a prokaryote:
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double copy of each gene
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single copy of each gene
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have plasmids
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has zero plasmids
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has extra DNA molecules that are useful, but not necessary
Frage 13
Frage
check of the structural and genetic characteristics of eukaryotes:
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has both dna and proteins
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has both dna and genomes
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dna is single and long and wrapped around histones
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