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