Which of the following best describes a linkage group?
A group of genes that are located on the same chromosome
A group of individuals with similar traits
A group of genes that are not related to each other
A group of chromosomes in a cell
A linkage group refers to a set of genes that are located on the same chromosome. Genes within a linkage group are physically close to each other on the chromosome and tend to be inherited together. This is because during the process of meiosis and genetic recombination, genes that are close to each other on the same chromosome have a lower chance of being separated by crossing over. Linkage groups are important in studying inheritance patterns and genetic mapping.
Option 1 is the correct answer.