Help 2 2. Given a query sequence from a given species, design an algorithm to find all relatedsequences that appear in at least two other species within a database.

Explanation:The algorithm works by first identifying sequences related to the query sequence QQQ…

Answered: 2. Given a query sequence from a given…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter24: Systematics And Phylogenetics: Revealing The Tree Of Life

Section: Chapter Questions

Problem 7TYK

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Here is some information about the sequences: All these sequences, “SEQUENCE_21” to “SEQUENCE_27” are in the same subfamily or “clade” of a large phylogenetic alignment of all Rab proteins in these three species (see “Figure 1.pdf” for a full view of gene family in humans, plants and yeast, see the “D” branch towards the bottom of the tree in Figure 1). “SEQUENCE_28” is a different Rab protein (actually it is the Rab39 protein at the bottom of the tree). “SEQUENCE_21” is from yeast. “SEQUENCE_22” to “SEQUENCE_25” are from the plant, Arabidopsis. “SEQUENCE_26” and “SEQUENCE_27” are from humans. Question: Based on the information above, what can you speculate about the possible evolution of the genes that “SEQUENCE_21” to “SEQUENCE_27” represent? (write 5 points at least).
Here is some information about the sequences: There are two images given; one with sequences and the other with a figure. All these sequences, “SEQUENCE_21” to “SEQUENCE_27” are in the same subfamily or “clade” of a large phylogenetic alignment of all Rab proteins in these three species (see “Image with a figure” for a full view of gene family in humans, plants and yeast, see the “D” branch towards the bottom of the tree in Figure). “SEQUENCE_28” is a different Rab protein (actually it is the Rab39 protein at the bottom of the tree). “SEQUENCE_21” is from yeast. “SEQUENCE_22” to “SEQUENCE_25” are from the plant, Arabidopsis. “SEQUENCE_26” and “SEQUENCE_27” are from humans. Question: Based on the information above, what can you speculate about the possible evolution of the genes that “SEQUENCE_21” to “SEQUENCE_27” represent?
1. Consider the following multiple alignment of DNA sequences collected from six species numbered 1 through 6: 1. ТСАА 2. GCAT 3. TTTT 4 . GATA 5. GAAC 6. ΑTAG Find the parsimony score for the following tree: 1 2 3 4
Suppose you are comparing two sequences that are 100 bases long. To calculate the percent similarity (also referred to as percent identity) between the two sequences, you simply count the total number of bases that are identical between the two sequences and divide that value by 100. For example, if two sequences that are 100 bases long have 80 80 bases in common, the percent similarity would be 80% ( 100 x 100). Now practice with three shorter sequences. The following sequences are from three related organisms: Organism A: TGGCATTCAT Organism B: TCGAATACGA Organism C: TGCCTTACAT Drag the terms on the left to the appropriate blanks on the right to answer the questions. Not all terms will be used. Reset Help 30% What is the percent similarity between organisms A and B? 40% What is the percent similarity between organisms A and C?
The SCAM data for positions V51C and Y96C are different to the other datasets. Describe how the data for these positions are different to the other positions. In each case, explain what the structural basis of these differences may be.
Discuss why it is useful to search a database to identify sequencesthat are homologous to a newly determined sequence.
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The phylogenetic tree of the OCTN homologs below was generated with the following accession numbers as basis: NP_957143.1 - OCTN of unknown function CDM63451.1 - OCTN specific for ergothioneine transport XP_021324939.1 - OCTN specific for carnitine transport Design the phylogenetic tree to make it look more interesting by highlighting the distinct clades or putting a visual emphasis on the gene you are trying to analyze. Provide a caption for this figure.
The phylogenetic tree of the OCTN homologs below was generated with the following accession numbers as basis: NP_957143.1 - OCTN of unknown function CDM63451.1 - OCTN specific for ergothioneine transport XP_021324939.1 - OCTN specific for carnitine transport Design the phylogenetic tree to make it look more interesting by highlighting the distinct clades or putting a visual emphasis on the gene you are trying to analyze. Provide a caption for this figure. asap please.
This descriptor refers to the number of alignments expected to match the sequence you have by chance. E-value Query cover Accession number Ident Maximum score and Total score
When comparing evolutionary similarities between different genes within a gene family, it is usually more straightforward to compare genes by using the protein sequences of gene products rather than DNA sequences of the genes themselves. Explain why this is the case. (Cover 4 points)
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2. Given a query sequence from a given species, design an algorithm to find all related sequences that appear in at least two other species within a database.