To construct linkage maps, scientists estimate the distance between genes on the same chromosome based on the ______, as indicated by the percentage of recombinant offspring.Multiple choice question.number of chromosomesnumber of gametes producedcrossover frequencytime for meiosis to be complete
Question
To construct linkage maps, scientists estimate the distance between genes on the same chromosome based on the ______, as indicated by the percentage of recombinant offspring.Multiple choice question.number of chromosomesnumber of gametes producedcrossover frequencytime for meiosis to be complete
Solution
The correct answer is "crossover frequency".
Linkage maps are created using the concept of genetic recombination or crossover, which occurs during meiosis. The frequency of recombination, or crossover, between two genes is proportional to the distance between them on the chromosome. Therefore, by observing the percentage of recombinant offspring (those showing new combinations of traits), scientists can estimate the distance between genes. This is known as the crossover frequency.
Similar Questions
To construct linkage maps, scientists estimate the distance between genes on the same chromosome based on the ______, as indicated by the percentage of recombinant offspring.
Crossing-over frequency between genes is used to construct linkage maps. True False
The map of a chromosome interval is:A——10 m.u.——B——40 m.u.——CFrom the cross A b c / a B C × a b c / a b c, how many double crossovers would be expected out of 1000 progeny, if no interference is present?Question 11Answera.20b.40c.5d.10e.80
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ap distance in cM can be estimated:Question 7Answera.by the number of parental offspring observed in a testcross divided the total number of offspringb.by the number of recombinant offspring observed in a testcross divided by 2c.by the number of recombinant offspring observed in a testcross divided the total number of offspringd.by the number of parental offspring observed in a testcross divided the number of recombinant offspringe.by the number of recombinant offspring observed in a testcross divided the number of parental offspring
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