You are working with a new species of spider in the lab. Wild type spiders have black legs and long mandibles. Mutants have black/brown striped legs and short mandibles. You perform a cross between wild type and mutant spiders. Your results : 5,502 wild type; 5,877 mutant; 69 black/brown striped, long mandibles; 52 black, short mandibles. What information does the recombination frequency tell you about the traits? (You will need to solve the RF first if you haven't done so in the other problem.) * A. Crossing over occurs frequently between the two traits. B. They are unlinked genes. C. They are located on separate chromosomes D. They are located very close together on the same chromosome.
You are working with a new species of spider in the lab. Wild type spiders have black legs and long mandibles. Mutants have black/brown striped legs and short mandibles. You perform a cross between wild type and mutant spiders. Your results : 5,502 wild type; 5,877 mutant; 69 black/brown striped, long mandibles; 52 black, short mandibles. What information does the recombination frequency tell you about the traits? (You will need to solve the RF first if you haven't done so in the other problem.) * A. Crossing over occurs frequently between the two traits. B. They are unlinked genes. C. They are located on separate chromosomes D. They are located very close together on the same chromosome.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Concept explainers
Genetic Recombination
Recombination is crucial to this process because it allows genes to be reassorted into diverse combinations. Genetic recombination is the process of combining genetic components from two different origins into a single unit. In prokaryotes, genetic recombination takes place by the unilateral transfer of deoxyribonucleic acid. It includes transduction, transformation, and conjugation. The genetic exchange occurring between homologous deoxyribonucleic acid sequences (DNA) from two different sources is termed general recombination. For this to happen, an identical sequence of the two recombining molecules is required. The process of genetic exchange which occurs in eukaryotes during sexual reproduction such as meiosis is an example of this type of genetic recombination.
Microbial Genetics
Genes are the functional units of heredity. They transfer characteristic information from parents to the offspring.
Question
You are working with a new species of spider in the lab. Wild type spiders have
black legs and long mandibles. Mutants have black/brown striped legs and short
mandibles. You perform a cross between wild type and mutant spiders. Your
results : 5,502 wild type; 5,877 mutant; 69 black/brown striped, long mandibles;
52 black, short mandibles. What information does the recombination frequency
tell you about the traits? (You will need to solve the RF first if you haven't done so
in the other problem.) *
A. Crossing over occurs frequently between the two traits.
B. They are unlinked genes.
C. They are located on separate chromosomes
D. They are located very close together on the same chromosome.
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