[ ō′vər-dŏm′ə-nəns ]
The condition in which a heterozygote has a phenotype that is more pronounced or better adapted than that of either homozygote.
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Other words from overdominanceo′ver•dom′i•nant adj.
Words nearby overdominance
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Example sentences from the Web for overdominance
According to statistical studies, overdominance by parents decreases the chance of successful marriage.