Biology - Mr. Woods' Science Classes
Biology
DNA Comparison
Names:_______________________________________________________ Block:______________
You are going to create comparisons between the genes of humans and several other organisms. You will need to copy and paste the various DNA sequences in order to obtain accurate results. The human gene always goes in the “Query Sequence” box; the animal genes always go in the “Subject Sequence” box. At the end of the activity, you will create a graph comparing human DNA to the animal DNA. Make sure you are working with one gene at a time. I have grouped the different samples by placing one group of genes per page.
Procedure:
1. Open the BLAST Nucleotide Sequence link.
2. Copy the human gene for gene set number 1 and paste it into the “Query Sequence” box.
3. One at a time, copy the other gene sequences and paste them into the “Subject Sequence” box.
4. Select the option that says “Somewhat similar”
[pic]
5. Click on “BLAST” button.
6. Record the percentage of DNA the animal has in common with humans.
7. Do this for each gene and each animal.
8. Create a bar graph that will show the percentage of DNA in common with humans.
Gene 1: CFTR
Human:
ATATTTGAAAGCTGTGTCTGTAAACTGATGGCTAACAAAACTAGGATTTTGGTCACTTC
TAAAATGGAACATTTAAAGAAAGCTGACAAAATATTAATTTTGAATGAAGGTAGCAGCT
ATTTTTATGGGACATTTTCAGAACTCCAAAATCTACAGCCAGACTTTAGCTCAAAACTC
ATGGGATGTGATTCTTTCGACCAATTTAGTGCAGAAAGAAGAAATTCAATCCTAACTGA
GACCTTACACCGTTTCTCATTAGAAGGAGATGCTCCTGTCTCCTGGACAGAAACCAATC
TTTTAAACAGACTGGAGAGTTTGGGGAAAAAAGGAAGAATTCTATTCTCAATCCAATCA
ACTCTATACGAAAATTTTCCATTGTGCAAAAGACTCCCTTACAAATGAATGGCATCGAA
GAGGATTCTGATGAGCCTTTAGAGAGAAGGCTGTCCTTAGTACCAGATTCTGAGCAGGG
AGAGGCGATACTGCCTCGCATCAGCGTGATCAGCACTGGCCCCACGCTTCAGGCACGAA
GGAGGCAGTCTGTCCTGAACCTGATGACACACTCAGTTAACCAAGGTCAGAACATTCAC
CGAAAGACAACAGCATCCACACGAAAAGTGTCACTGGCCCCTCAGGCAAACTTGACTGA
ACTGGATATATATTCAAGAAGGTTATCTCAAGAAACTGGCTTGGAAATAAGTGAAGAAA
TTAACGAAGAAGACTTAAAGG
Orangutan:
ATATCTTAAAGCTGTGTCTGTAAACTGATGGCTAACAAAACTAGGATTTTGGTCACTTC
TAAAATGGAACATTTAAAGAAAGCTGACAAAATTTTAATTTTACATGAAGGTAGCAGCT
ATTTTTATGGGACATTTTCAGAACTCCAAAATCTACGGCCAGACTTTAGCTCAAAACTC
ATGGGATGTGATTCTTTCGACCAATTTAGTGCAGAAAGAAGAAATTCAATCCTAACTGA
GACTTTACGCCGTTTCTCATTAGAAGGAGATGCTCCTGTCTCCTGGACAGAAACCAACC
TTTTAAACAGACTGGAGAGTTTGGGGAAAAAAGGAAGAATTCTATTCTCAATCCAATCA
ACTCTATACGAAAATTTTCCATTGTACAAAAGACTCCCTTACAAATGAATGGCATCGAA
GAGGATTCTGATGAGCCTTTCGAGAGAAGGGTGTCCTTAGTTCCAGATTCTGAGCAGGG
AGAGGCGATACTGCCTCGCATCAGCGTGATCAGCACTGGCCCCATGCTTCAGGCACGAA
GGAGGCAGTCTGTTCTGAACCTGATGACACAGTCAGTTAACCAAGGTCAGAACATTCAC
CGAAAGACAACAGCATCCACACGAAAAGTGTCACTGGCCCCTCAGGCAAACTTGACTGA
ATTGGATATATATTCAAGAAGGTTATCTCAAGAAACTGGCTTGGAAATAAGTGAAGAAA
TTAATGAAGAAGACTTAAAGG
Chimpanzee:
ATATTTGAAAGCTGTGTCTGTAAACTGATGGCTAACAAAACTAGGATTTTGGTCACTTC
TAAAATGGAACATTTAAAGAAAGCTGACAAAATATTAATTTTGCATGAAGGTAGCAGCT
ATTTTTATGGGACATTTTCAGAACTCCAAAATCTACGGCCAGACTTTAGCTCAAAACTC
ATGGGATGTGATTCTTTCGACCAATTTAGTGCAGAAAGAAGAAATTCAATCCTAACTGA
GACCTTACGCCGTTTCTCATTAGAAGGAGATGCTCCTGTCTCCTGGACAGAAACCAATC
TTTTAAACAGACTGGAGAGTTTGGGGAAAAAAGGAAGAATTCTATTCTCAATCCAATCA
ACTCTATACGAAAATTTTCCATTGTGCAAAAGACTCCCTTACAAATGAATGGCATCGAA
GAGGATTCTGATGAGCCTTTAGAGAGAAGGCTGTCCTTAGTACCAGATTCTGAGCAGGG
AGAGGCGATACTGCCTCGCATCAGCGTGATCAGCACTGGCCCCACGCTTCAGGCACGAA
GGAGGCAGTCTGTTCTGAACCTGATGACACACTCAGTTAACCAAGGTCAGAACATTCAC
CGAAAGACAACAGCATCCACACGAAAAGTGTCACTGGCCCCTCAGGCAAACTTGACTGA
ACTGGATATATATTCAAGAAGGTTATCTCAAGAAACTGGCTTGGAAATAAGTGAAGAAA
TTAACGAAGAAGACTTAAAGG
Gorilla:
ATATCTTAAAGCTGTGTCTGTAAACTGATGGCTAACAAAACTAGGATTTTGGTCACTTC
TAAAATGGAACATTTAAAGAAAGCTGACAAAATATTAATTTTGCATGAAGGTAGCAGCT
ATTTTTATGGGACATTTTCAGAACTCCAAAATCTACGGCCAGACTTTAGCTCAAAACTC
ATGGGATGTGATTCTTTCGACCAATTTAGTGCAGAAAGAAGAAATTCAATCCTAACTGA
GACCTTACGCCGTTTCTCATTAGAAGGAGATGCTCCTGTCTCCTGGACAGAAACCAATC
TTTTAAACAGACTGGAGAGTTTGGGGAAAAAAGGAAGAATTCTATTCTCAATCCAATCA
ACTCTATACGAAAATTTTCCATTGTACAAAAGACTCCCTTACAAATGAATGGCATCGAA
GAGGATTCTGATGAGCCTTTAGAGAGAAGGCTGTCCTTAGTACCAGATTCTGAGCAGGG
AGAGGCGATACTGCCTCGCATCAGCGTGATCAGCACTGGCCCCACGCTTCAGGCACGAA
GGAGGCAGTCTGTTCTGAACCTGATGACACACTCAGTTAACCAAGGTCAGAACATTCAC
CGAAAGACAACAGCATCCACACGAAAAGTGTCACTGGCCCCTCAGGCAAACTTGACTGA
ACTGGATATATATTCAAGAAGGTTATCTCAAGAAACTGGCTTGGAAATAAGTGAAGAAA
TTAACGAAGAAGACTTAAAGG
Gene 2: BMP7
Human:
AGAACCGCTCCAAGACGCCCAAGAACCAGGAAGCCCTGCGGATGGCCAACGTGGCAGAG
AACAGCAGCAGCGACCAGAGGCAGGCCTGTAAGAAGCACGAGCTGTATGTCAGCTTCCG
AGACCTGGGCTGGCAGGACTGGATCATCGCGCCTGAAGGCTACGCCGCCTACTACTGTG
AGGGGGAGTGTGCCTTCCC
Pig:
AGAACCGCTCCAAGACGCCCAAGAACCAGGAAGCCCTGCGGGTGGCCAACGTCGCAGAG
AACAGCAGCAGTGACCAGCGGCAGGCCTGTAAGAAGCATGAGCTCTACGTCAGCTTCCG
GGACCTGGGCTGGCAAGACTGGATCATCGCGCCCGAAGGCTATGCCGCCTACTACTGCG
AGGGGGAGTGCGCCTTCCC
Sheep:
AGAATCGCTCCAAGGCGCCCAAGAACCAAGAAGCCCTGCGGGTGGCCAACGTCGCAGAA
AACAGCAGCAGTGACCAGAGGCAGGCATGTAAGAAGCACGAGCTATACGTCAGCTTCCG
GGACCTGGGCTGGCAGGATTGGATCATCGCACCCGAAGGCTATGCCGCCTACTACTGCG
AGGGGGAGTGCGCCTTCCC
Rabbit:
AGAACCGCTCCAAGGCACCCAAGAACCAAGAGGCGCTGCGAGTGGCCAACGTGGCAGAA
AACAGCAGCAGTGACCAGCGGCAGGCGTGCAAGAAACACGAACTGTACGTCAGCTTCCG
CGACCTGGGCTGGCAGGATTGGATCATTGCCCCGGAAGGCTACGCCGCCTACTACTGCG
AGGGAGAGTGCGCCTTCCC
Gene 3: LEP
Human:
TGTGGCTTTGGCCCTATCTTTTCTATGTCCAAGCTGTGCCCATCCAAAAAGTCCAAGAT
GACACCAAAACCCTCATCAAGACAATTGTCACCAGGATCAATGACATTTCACACACGCA
GTCAGTCTCCTCCAAACAGAAAGTCACCGGTTTGGACTTCATTCCTGGGCTCCACCCCA
TCCTGACCTTATCCAAGATGGACCAGACACTGGCAGTCTACCAACAGATCCTCACCAGT
ATGCCTTCCAGAAACGTGATCCAAATATCCAACGACCTGGAGAACCTCCGGGATCTTCT
TCACGTGCTGGCCTTCTCTAAGAGCTGCCACTTGCCCTGGGCCAGTGGCCTGGAGACCT
TGGACAGCCTGGGGGGTGTCCTGGAAGCTTCAGGCTACTCCACAGAGGTGGTGGCCCTG
AGCAGGCTGCAGG
Cow:
TGTGGCTTTGGCCCTATCTGTCTTACGTGGAGGCTGTGCCCATCCGCAAGGTCCAGGAT
GACACCAAAACCCTCATTAAGACAATTGTCACCAGGATCAATGACATCTCACACACGCA
GTCCGTCTCCTCCAAACAGAGGGTCACTGGTTTGGACTTCATCCCTGGGCTCCACCCTC
TCCTGAGTTTGTCCAAGATGGACCAGACATTGGCGATCTACCAACAGATCCTCACCAGT
CTGCCTTCCAGAAATGTGGTCCAAATATCCAATGACCTGGAGAACCTCCGGGACCTTCT
CCACCTGCTGGCCGCCTCCAAGAGCTGCCCCTTGCCGCAGGTCAGGGCCCTGGAGAGCT
TGGAGAGCTTGGGCGTTGTCCTGGAAGCTTCCCTCTACTCCACCGAGGTGGTGGCCCTG
AGCCGGCTGCAGG
Dog:
TGTGGCTCTGGCCCTATCTGTCCTGTGTTGAAGCTGTGCCAATCCGAAAAGTCCAGGAC
GACACCAAACCCCTCATCAAGACGATTGTCGCCAGGATCAATGACATTTCACACACTCA
GTCTGTCTCCTCCCAACAGAGGGTCGCTGGTCTGGACTTCATTCCTGGGCTCCAACCAG
TCCTGAGTTTGTCCAGGATGGGCCAGACGTTGGCCATATACCAACAGATCCTCAACAGT
CTGCATTCCAGAAATGTGGTCCAAATATCTAATGACCTGGAGAACCTCCGGGACCTTCT
CCACCTGCTGGCCTCCTCCAAGAGCTGCCCCTTGCCCCGGGCCAGGGGCCTGGAGACCT
TTGAGAGCGTGGGCGGCGTCCTGGAAGCCTCACTCTACTCCACAGAAGTGGTGGCTCTG
AACAGACTGCAGG
Horse:
TGTGGCTTTGGCCCTATCTGTTCTTCATTGAAGCTGTGCCCATCCGAAAAGTCCAGGAT
GACACCAAAACCCTCATCAAGACGATTGTCACCAGGATCAATGACATTTCACACACGCA
GTCAGTCTCCTCCAAACAGAGGGTCACTGGTTTGGACTTCATTCCTGGGCTTCACCCTG
TCCTGAGTTTGTCCAAGATGGACCAGACATTGGCAATCTACCAACAGATCCTTACAAGT
CTGCCTTCCAGAAATGTGATCCAGATATCTAATGACCTGGAGAACCTCCGGGACCTTCT
CCACCTGCTGGCCTCCTCCAAGAGTTGCCCCTTGCCCCAGGCCAGGGGTCTGGAGACCT
TGGCGAGCCTGGGCGGTGTCCTGGAAGCTTCACTCTACTCCACAGAGGTGGTAGCCCTG
AGCAGGCTGCAGG
Gene 4: OPS1MW
Human:
CCCTTCGAAGGCCCGAATTACCACATCGCTCCCAGATGGGTGTACCACCTCACCAGTGT
CTGGATGATCTTTGTGGTCATTGCATCCGTTTTCACAAATGGGCTTGTGCTGGCGGCCA
CCATGAAGTTCAAGAAGCTGCGCCACCCGCTGAACTGGATCCTGGTGAACCTGGCGGTC
GCTGACCTGGCAGAGACCGTCATCGCCAGCACTATCAGCGTTGTGAACCAGGTCTATGG
CTACTTCGTGCTGGGCCACCCTATGTGTGTCCTGGAGGGCTACACCGTCTCCCTGTGTG
GGATCACAGGTCTCTGGTCTCTGGCCATCATTTCCTGGGAGAGATGGATGGTGGTCTGC
AAGCCCTTTGGCAATGTGAGATTTGATGCCAAGCTGGCCATCGTGGGCATTGCCTTCTC
CTGGATCTGGGCTGCTGTGTGGACAGCCCCGCCCATCTTTGGTTGGAGCAGGTACTGGC
CCCACGGCCTGAAGACTTCATGCGGCCCAGACGTGTTCAGCGGCAGCTCGTACCCCGGG
GTGCAGTCTTACATGATTGTCCTCATGGTCACCTGCTGCATCACCCCACTCAGCATCAT
CGTGCTCTGCTACCTCCAAGTGTGGCTGGCCATCCGAGCGGTGGCAAAGCAGCAGAAAG
AGTCTGAATCCACCCAGAAGGCAGAGAAGGAAGTGACGCGCATGGTGGTGGTGATGGTC
CTGGCATTCTGCTTCTGCTGGGGACCATACGCCTTCTTCGCATGCTTTGCTGCTGCCAA
CCCTGGCTA
Mouse:
CCCTTTGAAGGCCCCAATTATCACATTGCTCCCAGGTGGGTGTACCACCTCACCAGCAC
CTGGATGATTCTTGTGGTCGTTGCATCTGTCTTCACTAATGGACTTGTGCTGGCAGCCA
CCATGAGATTCAAGAAGCTGCGCCATCCACTGAACTGGATTCTGGTGAACTTGGCAGTT
GCTGACCTAGCAGAGACCATTATTGCCAGCACTATCAGTGTTGTGAACCAAATCTATGG
CTACTTCGTTCTGGGACACCCTCTGTGTGTCATTGAAGGCTACATTGTCTCATTGTGTG
GAATCACAGGCCTCTGGTCCCTGGCCATCATTTCCTGGGAGAGATGGCTGGTGGTCTGC
AAGCCCTTTGGCAATGTGAGATTTGATGCTAAGCTGGCCACTGTGGGAATCGTCTTCTC
CTGGGTCTGGGCTGCTATATGGACGGCCCCACCAATCTTTGGTTGGAGCAGGTACTGGC
CTTATGGCCTGAAGACATCCTGTGGCCCAGACGTGTTCAGCGGTACCTCGTACCCCGGG
GTTCAGTCTTATATGATGGTCCTCATGGTCACGTGCTGCATCTTCCCACTCAGCATCAT
CGTGCTCTGCTACCTCCAAGTGTGGCTGGCCATCCGAGCAGTGGCAAAGCAACAGAAAG
AATCTGAGTCCACTCAGAAGGCCGAGAAGGAGGTGACACGCATGGTGGTGGTGATGGTC
TTCGCATACTGCCTCTGCTGGGGACCCTATACTTTCTTTGCATGCTTTGCTACTGCCCA
CCCTGGCTA
Rat:
CCCTTTGAAGGTCCCAATTATCACATTGCTCCAAGGTGGGTGTACCACCTCACCAGCAC
CTGGATGATTCTTGTGGTCATTGCATCTGTCTTCACAAATGGACTCGTGCTGGCAGCCA
CCATGAGGTTCAAGAAGCTGCGTCATCCTCTGAACTGGATTCTAGTGAACTTGGCAGTT
GCTGACCTAGCAGAGACCATTATTGCCAGCACTATCAGTGTTGTGAACCAAATCTATGG
CTACTTTGTGCTGGGCCACCCTCTGTGTGTCATAGAAGGCTACATTGTCTCACTATGTG
GGATCACAGGCCTCTGGTCCTTGGCCATCATTTCCTGGGAGAGATGGCTGGTGGTCTGC
AAGCCCTTTGGCAATGTGAGATTTGATGCTAAACTGGCCACTGTGGGAATCGTCTTCTC
CTGGGTCTGGGCTGCTGTATGGACGGCCCCACCAATCTTTGGTTGGAGCAGGTACTGGC
CTTATGGCCTGAAGACATCGTGTGGTCCAGACGTGTTCAGCGGTACCTCGTATCCTGGG
GTTCAGTCTTATATGATGGTCCTCATGGTCACGTGCTGCATCTTCCCACTCAGCATCAT
CGTGCTCTGCTACCTCCAAGTGTGGCTGGCCATCCGAGCAGTGGCAAAGCAACAGAAAG
AATCTGAGTCCACCCAGAAGGCTGAGAAGGAGGTGACACGCATGGTGGTGGTGATGGTC
TTCGCATACTGCCTCTGCTGGGGGCCCTATACTTTCTTTGCATGCTTTGCTACTGCCCA
TCCTGGCTA
Data
|Organism |% DNA in common |
|Orangutan | |
|Chimpanzee | |
|Gorilla | |
|Pig | |
|Sheep | |
|Rabbit | |
|Cow | |
|Dog | |
|Horse | |
|Mouse | |
|Rat | |
Now that you have calculated and recorded your data construct a bar graph of the data. Make sure you give your graph a title and label the X and Y axes.
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1. What organism(s) appear to be most closely related to humans? How do you know?
2. What organism(s) appear to be least closely related to humans? How do you know?
3. What pairs of organisms do you think are most closely related? Why?
4. Test your pairs from question 3 by cutting and pasting the two organism’s gene sequences into the query and subject boxes and then BLAST them.
5. What percentage of DNA does each pair have in common?
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