Quiz
Topic 3 Genetics Test
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Questions in this quiz (13)
1a [blank_start]gene[blank_end] is a heritable factor that consists of the length of DNA and influences a specific characteristic
- Agene
- Blocus
- Callele
2the [blank_start]locus[blank_end] occupies a specific position on the [blank_start]chromosome[blank_end]
- Alocus
- Bchromosome
3[blank_start]alleles[blank_end] are different forms of the same gene that occupy the same locus
- Aalleles
- Bloci
- Cmutations
4alleles differ from only one or a few bases
- ATrue
- BFalse
5what are single nucleotide polymorphisms?
- Apositions in a gene where there is only one base
- Bpositions in a gene where more than one bases are present
- Ca specific position on the chromosome
- Ddifferent forms of the same gene that occupy the same locus
6[blank_start]mutations[blank_end] are random changes to the base sequence of DNA
- Amutations
7what is an example of a mutation?
- Asickle cell anemia
- Bmalaria
- CKlinefelter's disease
- DTurner's disease
8[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]
- Asickle cell anemia
- Balpha-globin
- Chemoglobin
9what happens to the red blood cells once they become sickle cells?
- Athey change shape, become trapped in the capillaries, and reduce blood flow
- Bthe change shape, become trapped in the arteries, and reduce blood pressure
- Cthey are heritable factors that consist of the length of DNA and influence a specific characteristic
- Dthey are specific positions on a chromosome
10a [blank_start]genome[blank_end] is the entire base sequence of each of the DNA molecules in an organism
- Amutation
- Bgene
- Cgenome
11where is the genome located in bacteria/prokaryotes?
- Ain nuclear chromosomes plus DNA in mitochondria and chloroplasts
- Bin circular chromosomes plus and plasmids present
- Cin nuclear chromosomes plus DNA in mitochondria
- Din circular chromosomes plus DNA in mitochondria and alleles
12check off the structural and genetic characteristics of a prokaryote:
- Adouble copy of each gene
- Bsingle copy of each gene
- Chave plasmids
- Dhas zero plasmids
- Ehas extra DNA molecules that are useful, but not necessary
13check of the structural and genetic characteristics of eukaryotes:
- Ahas both dna and proteins
- Bhas both dna and genomes
- Cdna is single and long and wrapped around histones
Information
- Description
- Covers 3.1-Genes, 3.2-Chromosomes, and 3.3- Meiosis
- Author
- Jordyn Davis
- Language
- English
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- 22
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