Answer:
The gene is present on a single pair of chromosomes
Explanation:
Genes located on the same chromosomes are transmitted together and are said to be linked. The X chromosome contains many genes in addition to those that determine sex. The traits determined by these genes are inherited together with those determining sex and are said to be sex-linked. The Y chromosome is believed to contain few if any genes besides the sex genes that control characteristic in males. The sex-linked genes are present on a single pair of chromosomes.
