28288216
Descripción
Test por Jordyn Davis, actualizado hace más de 1 año
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Creado por Jordyn Davis
hace casi 4 años
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Pregunta 1
Pregunta
a [blank_start]gene[blank_end] is a heritable factor that consists of the length of DNA and influences a specific characteristic
Respuesta
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gene
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locus
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allele
Pregunta 2
Pregunta
the [blank_start]locus[blank_end] occupies a specific position on the [blank_start]chromosome[blank_end]
Respuesta
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locus
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chromosome
Pregunta 3
Pregunta
[blank_start]alleles[blank_end] are different forms of the same gene that occupy the same locus
Respuesta
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alleles
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loci
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mutations
Pregunta 4
Pregunta
alleles differ from only one or a few bases
Respuesta
- True
- False
Pregunta 5
Pregunta
what are single nucleotide polymorphisms?
Respuesta
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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
Pregunta 6
Pregunta
[blank_start]mutations[blank_end] are random changes to the base sequence of DNA
Respuesta
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mutations
Pregunta 7
Pregunta
what is an example of a mutation?
Respuesta
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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
Pregunta 8
Pregunta
[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]
Respuesta
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sickle cell anemia
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alpha-globin
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hemoglobin
Pregunta 9
Pregunta
what happens to the red blood cells once they become sickle cells?
Respuesta
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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
Pregunta 10
Pregunta
a [blank_start]genome[blank_end] is the entire base sequence of each of the DNA molecules in an organism
Respuesta
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mutation
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gene
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genome
Pregunta 11
Pregunta
where is the genome located in bacteria/prokaryotes?
Respuesta
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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
Pregunta 12
Pregunta
check off the structural and genetic characteristics of a prokaryote:
Respuesta
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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
Pregunta 13
Pregunta
check of the structural and genetic characteristics of eukaryotes:
Respuesta
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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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