",n:"", fb1:"You did not correctly place the species with amino acid sequence 1. Note that this sequence and sequence 6 differ at only one position.", fb0:"You correctly placed the species with amino acid sequence 1 in the gene tree. Note that the species with amino acid sequence 1 can go on either branch of this part of the tree."}; t[1]={c:0,q:"",n:"", fb1:"You did not correctly place the species with amino acid sequence 2. Note that this sequence is least different from all others, differing at only one position from 3, 4, 5, and 6, and at two positions from sequence 1.", fb0:"You correctly placed the species with amino acid sequence 2 in the gene tree."}; t[2]={c:0,q:"",n:"", fb1:"You did not correctly place the species with amino acid sequence 3. Note that this sequence differs at only one position from sequence 2, but at two or more positions from all others.", fb0:"You correctly placed the species with amino acid sequence 3 in the gene tree."}; t[3]={c:0,q:"",n:"", fb1:"You did not correctly place the species with amino acid sequence 4. Note that this sequence and sequence 5 are identical, and that both differ at only one position from sequence 2.", fb0:"You correctly placed the species with amino acid sequence 4 in the gene tree. Note that the species with amino acid sequence 4 can go on either branch of this part of the tree."}; t[4]={c:0,q:"",n:"", fb1:"You did not correctly place the species with amino acid sequence 5. Note that this sequence and sequence 4 are identical, and that both differ at only one position from sequence 2.", fb0:"You correctly placed the species with amino acid sequence 5 in the gene tree. Note that the species with amino acid sequence 5 can go on either branch of this part of the tree."}; t[5]={c:0,q:"",n:"", fb1:"You did not correctly place the species with amino acid sequence 6. Note that this sequence and sequence 1 differ at only one position. Also, note that this sequence and sequence 2 differ at only one position.", fb0:"You correctly placed the species with amino acid sequence 6 in the gene tree. Note that the species with amino acid sequence 6 can go on either branch of this part of the tree."}; function handleclick(id,cx,cy) { var ic = act2303.s[act2303.icur] if (id == 1 && ic == 0) { act2303.clickit(6,cx,cy); } else if (id == 2 && ic== 5) { act2303.clickit(7,cx,cy); } else if (id == 3 && ic == 3) { act2303.clickit(8,cx,cy); } else if (id == 4 && ic == 4) { act2303.clickit(9,cx,cy); } else { act2303.clickit(id,cx,cy); } } var act2303 = new act('act2303', {f:"act2303.png", w:580, h:530}, l, t); act2303.msgtxt = "This similarity matrix indicates the amino acid sequence alignment for a protein from six species. Use this matrix to construct a gene tree by selecting the most logical branch for the sequence. After answering correctly, you may move forward by clicking the Next button. Feedback for each choice will appear below."; act2303.showallflg = true; act2303.matchall = -1; act2303.activityCompleted = function () { if (typeof window.parent.player != 'undefined') { window.parent.player.activity.set_activity_completed(); } } act2303.showAll = function () { for (var j=0; j < 9; j++) hideid("act2303l" + j); for (var j=0; j < 6; j++) showid("act2303l" + j); document.getElementById("act2303qDiv").innerHTML=""; act2303.showfb(" "); document.getElementById("act2303bl").className = "pn"; document.getElementById("act2303br").className = "pn"; } function doInit() { act2303.xDiv(); act2303.settitle("Gene Tree Construction"); act2303.mapcirc(0,504,277,18,"handleclick(0,504,277)"); act2303.mapcirc(1,504,315,18,"handleclick(1,504,315)"); act2303.mapcirc(2,504,353,18,"handleclick(2,504,353)"); act2303.mapcirc(3,504,394,18,"handleclick(3,504,394)"); act2303.mapcirc(4,504,433,18,"handleclick(4,504,433)"); act2303.mapcirc(5,504,489,18,"handleclick(5,504,489)"); act2303.setcur(0); }
Textbook Reference: Key Concept 23.3 Lateral Gene Transfer and Gene Duplication, p. 499