a sex-determining chromosome or gene.
Also called F factor, fertility factor. a plasmid in certain bacteria that enables transfer of genetic material from a donor cell to a recipient by conjugation, resulting in recombination.
Read more in this article about some frequently asked questions and fun facts related to our definitions.
Why Avocados are Called Alligator Pears and More Wacky Names
As you munch on guacamole and chips, chew on the etymology of the humble avocado. Its many names are as wacky as the fruit is yummy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.