Prepare yourself for the genetics section of the PA Keystone exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Prophase I
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| show | chromosomes
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| What is the genetic material found in organisms that codes for hereditary traits? | show 🗑
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| What are segments of DNA that code for specific traits called? | show 🗑
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| What are alternative forms of a gene that governs a characteristic called? | show 🗑
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| show | Punnett squares
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| show | dominant
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| What is a pair of alleles that an organism receives from its parents called? | show 🗑
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| show | Homozygous dominant
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| show | Heterozygous dominant
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| If an organism has a genotype of aa, what is the scientific term for these alleles? | show 🗑
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| show | Recessive
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| What is the physical expression of the pair of alleles for a specific trait called? | show 🗑
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| show | Polygenic traits
Incomplete dominance
Multiple alleles
Codominance
Sex-linked traits
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| show | polygenic traits
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| What type of exception to simple inheritance results in an intermediate expression of a trait in heterozygous individuals? | show 🗑
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| What type of exception to simple inheritance has genes with three or more different alleles? | show 🗑
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| show | Codominance
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| show | Sex-linked traits
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| show | Polygenic traits
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| show | Polygenic traits
Incomplete dominance
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| show | hair color
eye color
height
weight
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| How many alleles are expressed with genes controlled by multiple alleles? | show 🗑
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| show | Multiple alleles
Codominance
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| What chromosome does sex linked traits tend to be found on? | show 🗑
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| show | males
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| What is the exchange of genetic material between homologous chromosomes called? | show 🗑
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| What does crossing over produce? | show 🗑
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| What phase of meiosis does crossing-over occur? | show 🗑
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| What genetic phenomenon shuffles the allele content between homologous chromosomes and creates more possible combinations of offspring? | show 🗑
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| show | Nondisjunction
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| What is the result of nondisjunction? | show 🗑
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| What disorder involves the loss of a single homologous chromosome? | show 🗑
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| show | monosomy
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| What disorder is involves gaining a single extra chromosome to its pair of homologous chromosomes? | show 🗑
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| show | insertion
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| show | frameshift
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| show | Frameshift insertion
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| If the original strand of DNA is: GGCTTA If the mutated strand of DNA is: GTAGCTTA What type of mutation would this be? | show 🗑
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| What type of mutation results in the removal of one or more nucleotides from the DNA? | show 🗑
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| What type of mutation is a chromosomal deletion? | show 🗑
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| show | Frameshift deletion
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| show | Duplication
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| show | Frameshift
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| If the original strand of DNA is: ATCGTA If the mutated strand of DNA is: ATCATCGGTA What type of mutation would this be? | show 🗑
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| show | Frameshift duplication
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| What type of mutation causes a segment of a chromosome to be reversed? | show 🗑
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| If the original strand of DNA is: CCGTAC If the mutated strand of DNA is: CCGCAT What type of mutation would this be? | show 🗑
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| show | Point
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| What type of mutation is a chromosomal abnormality by rearrangement of nucleotide sequences between two different homologous chromosomes? | show 🗑
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| Which type of mutation tends to lead to cancer? | show 🗑
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| show | Point
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| show | Silent mutation
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| What type of point mutation occurs in a sequence of DNA that results in a premature stop codon? | show 🗑
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| What type of point mutation occurs when a single nucleotide is changed and results in a codon that codes for a different amino acid? | show 🗑
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| Which type of point mutation results in a nonfunctioning protein? | show 🗑
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| show | Frameshift mutations
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| What is a change in DNA called? | show 🗑
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| What arises from mutations in genes? | show 🗑
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| show | Creates variation that allows organisms to adapt to environments
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| show | Selective breeding
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| show | high crop yields
resistance to disease
high growth rate
improved medicinal production
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| What are four negative impacts of selective breeding? | show 🗑
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| show | Gene splicing
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| Attaching the insulin gene to DNA of bacteria is called? | show 🗑
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| show | Cloning
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| What are four advantages of cloning? | show 🗑
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| What are three disadvantages of cloning? | show 🗑
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| What process is DNA used to supplement or alter genes within an individual's cells as a therapy to treat disease? | show 🗑
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| show | Stem cell therapy
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
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Created by:
carp115
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