homogametic

(redirected from Homogametic sex)
Also found in: Medical, Encyclopedia, Wikipedia.

ho·mo·ga·met·ic

 (hō′mō-gə-mĕt′ĭk)
adj.
Producing gametes that contain only one type of sex chromosome.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

homogametic

(ˌhəʊməɡəˈmɛtɪk)
adj
(Genetics) genetics denoting the sex that possesses two similar sex chromosomes. In humans and many other mammals it is the female sex, possessing two X-chromosomes. Compare heterogametic
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Mentioned in ?
References in periodicals archive ?
Females typically have two of the same kind of sex chromosome (XX) and are called the homogametic sex. Males typically have two different kinds of sex chromosomes (XY) and are called the heterogametic sex.
The first step is establishment of the chromosomal sex at the time of fertilization of the ovum--the heterogametic (XY) sex is male and the homogametic sex (XX) is female.
In dioecious dwarf surfclam Mulinia lateralis (Say, 1822), it has been also found that its gynogenetic progeny are all females indicating that they must be the homogametic sex (carrying 2X-chromosomes), and triploids showed both genders, males and females, such that it was proposed that they were XXX and XXY, with the Y-chromosome being dominant over the X-chromosome.