2. A series of two-point crosses were carried out among twelve loci (a, b, c, d,
ID: 220243 • Letter: 2
Question
2. A series of two-point crosses were carried out among twelve loci (a, b, c, d, e, f, g. h, i, j. k, I). producing the following recombination frequencies. Using these recombination frequencies, map the twelve loci, showing their linkage groups, the order of loci in each linkage group, and the distances between the loci of each 5O | 50 | 50 | 50 | 50 | 4 | 14 | 50 | 50 | 50 | 50 50 50 8 50 5050 650 50 50 50 50 50 5050 50 50 50 50 50 50 14 5050 7 16 50 50 50 350 0 50 5019 50 50 10150150150150 50 50 5050 0 07 5 50 50 b 50 c5050 | 50 | 50 | 50 e 50 8 50 50 50 8 5050 16 g 4 50 50 50 50 50 |14 | 50 | 50 | 50 | 50 | 50 | 10 5050 50 14 50 50 50 50 j5050 50319 5050 50 50 050 750 50 5050 750 50Explanation / Answer
As per the given loci distance between various alleles
there are genes having same distance lie on the same gene, while the other on different gene.
In this way,
a, b, c, d, j, k,l lie on the same gene
d and i on one gene
e, f are on same gene
while g on other gene
and the h forms the third group of gene.
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