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From the test cross (abc)(+++) x (abc)/(abc), where the parentheses indicate that the order of genes a, b & c is unknown, the following progeny were...

From the test cross (abc)(+++) x (abc)/(abc), where the parentheses indicate that the order of genes a, b & c is unknown, the following progeny were obtained.
Phenotype – Number
a++ 24
+b+ 69
++c 2
ab+ 4
a+c 75
+bc 20
abc 396
+++ 410

Indicate which allele is in the middle and explain how you arrived at your conclusion.

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8437687.docx

abc
+++
a++
+bc
+b+
a+c
++c
ab+ 396
410
24
20
69
75
2
4
________
1000
Parental input genotypes for the triple heterozygotes are abc and +++.
Double recombinants are ++c and ab+.
Calculating the...

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