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“heterozygosis”
The formation of a zygote by the union of gametes of unlike genetic constitution: Jill learned in her biology book that heterozygosis is the fusion of two genetically unlike gametes.
This entry is located in the following units:
-osis, -sis, -sia, -sy, -se
(page 15)
zygo-, zyg-, -zygous; zygomatico- +
(page 2)