A genetic map is used to locate and identify the gene or group of genes that determines a particular inherited trait.
Locating and identifying genes in a genetic map is called genetic mapping.
More top news
A Cornish fish restaurant has been named the best in the UK - knocking Cumbria's L'Enclume into second place after five years at the top.
There "will not be a war again on the Korean Peninsula", South Korea's President Moon Jae-in has said.
Doug Bergeson, from Wisconsin, USA, calmly drove himself to hospital and walked into the emergency room to ask for help.