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Question
Which of the given statement is incorrect about the gene map?
Options:
A .  Gene order in two related organisms reflects the order that was present in a common ancestor genome. Chromosomal breaks followed by reassembly of fragments in a different order can produce new gene maps
B .  Gene order is only revealed by the physical order of genes on the chromosome
C .  Sequence variations (polymorphisms) that are close to (tightly linked) a trait may be used to trace the trait by virtue of the fact that the polymorphism and the trait are seldom separated from one generation to the next
D .  These types of evolutionary changes in genomes have been modeled by computational methods
Answer: Option B
Answer: (b).Gene order is only revealed by the physical order of genes on the chromosome

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