Answer: Mapping experiments do not necessarily become more accurate as the distance between genes decreases. In fact, the accuracy of mapping experiments can be influenced by the degree of genetic linkage and the occurrence of recombination events between genes.
Step-by-step explanation:
Mapping experiments aim to determine the location of genes on a chromosome or genome. The accuracy of mapping experiments is not necessarily dependent on the distance between genes.
In fact, mapping experiments can be more challenging and less accurate when genes are close together. When genes are closely spaced, it becomes more difficult to distinguish between them and accurately determine their precise locations. This is because the recombination events that occur during genetic crossing over and the formation of gametes can sometimes result in the swapping or exchange of genetic material between adjacent genes. This phenomenon is known as genetic linkage.
On the other hand, when genes are far apart, there is a higher likelihood of recombination events occurring between them during genetic crossing over, leading to a higher accuracy in mapping experiments. This is because recombination events can help in the identification and mapping of genes that are farther apart on a chromosome.