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heterogameticheterogametisch (ger.)

  • (Of a sex or its individual members) producing gametes that differ with respect to a sex chromosome. (OED 1976)  
    cell homogametic

    If the two kinds of spermatozoa be designated as the ‘X-class’ and the ‘Y-class’, respectively, the eggs are all of the X-class. The male may, accordingly, be designated as the heterogametic sex, the female as the homogametic.

    Wilson, E.B. (1910). The chromosomes in relation to the determination of sex. Science Progress 4, 570-592: 572.


    heterogametic Having two kinds of gametes, one producing males and the other females; digametic; heterogamycf. homogametic.

    Lincoln, R.J., Boxshall, G.A. & Clark, P.F. (1982). A Dictionary of Ecology, Evolution and Systematics: 112.