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Multiple Choice
What information about recombination frequencies enables scientists to create linkage maps in organic chemistry reactions?
A
The sequence of nucleotides in a gene
B
The number of genes present on a chromosome
C
The frequency of recombination events between two genes
D
The absolute distance between two genes on a chromosome
Verified step by step guidance
1
Understand that recombination frequency refers to the likelihood of two genes being separated during crossing over in meiosis.
Recognize that recombination frequency is used to estimate the distance between genes on a chromosome, with higher frequencies indicating greater distances.
Learn that linkage maps are created by analyzing recombination frequencies to determine the relative positions of genes on a chromosome.
Note that a recombination frequency of 1% is equivalent to 1 map unit or centimorgan (cM), which is a unit of measure for genetic linkage.
Realize that by calculating recombination frequencies between multiple pairs of genes, scientists can construct a linkage map that shows the order and relative distances of genes on a chromosome.