Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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The higher the recombination frequency (%), the more likely recombination will occur. The lower the frequency, the less likely
recombination will occur.
True or False
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- If two genes are unlinked the recombination frequency will be? 25% 50% 75% 100%arrow_forwardIn letter B: If the map distance equals the number of recombinant/total of offspring, wouldn't it be 24/806 x 100? Wouldn't we add both recombinants? Can you explain letter C? I don't grasp that concept well. And since I'm using my question already, would you be able to answer D. Thank you!arrow_forwardA geneticist identifies 117 recombinant offspring out of a total of 1,359. What is the recombination frequency?arrow_forward
- Can someone explain why those values were chosen to be divided by the total? I thought it was the four smallest amounts, so I would have done 3+64+67++7/1600. Can someone explain why that would have been wrongarrow_forwardUse the data provided in the figure to calculate the recombination frequency between the two genes. Parents Wild Type (gray with normal wings) bb vg* vg Black with vestigial wings bb vg vg recombination frequency: % + TOOLS x10 Wild Type Black nogmal Black vestigial Gray vestigial b'bvg vg bb vg vg bb vg vg bb vg vg The number of each type of offspring is • wild type: 865 • black vestigial: 875 • gray vestigial: 160 • black normal: 100arrow_forwardCalculate the recombination frequency between the Trf and the d loci by using the pooled data from all the crosses.arrow_forward
- An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B C D E F A • B C V W X R ST • U D E F R ST • U V W X Q. Draw the products of alternate, adjacent-1, and adjacent-2 segregations.arrow_forwardcan somone please help me find the correct I choose the answer but is it really correctarrow_forwardThe table below shows the progeny of a test cross of a heterozygote (HhFfGg). Each row shows the number of progeny that inherited each combination of alleles from the heterozygous parent. You've already determined the gene order (G is in the middle) and labeled each type of progeny. Using this information, what is the recombination frequency between H and G? Alleles: Type: HGF hgf HgF h Gf Hgf h GF HGf hg F O 0.543 0.302 O 0.241 O 0.23 0.139 Parental Parental DCO DCO SCO (H-G) SCO (H-G) SCO (G-F) SCO (G-F) Count: 124 119 15 18 51 55 38 40 O The correct answer is not available.arrow_forward
- You are asked to determine the recombination frequencies of a number of loci. Your work reveals that the recombination frequency is larger the further the loci are from each other. Why is this?arrow_forwardWhat does a recombination frequency of 50 indicate?arrow_forwardWhy is the upper limit of recombination 50% rather than 100%?arrow_forward
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