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ZW sex-determination system: Quiz


Question 1: In the ZW system it is the ovum that determines the sex of the offspring, in contrast to the XY sex-determination system and the X0 sex-determination system, where it is the ________ which determines the sex.
SpermSexual reproductionFertilisationSpermatozoon

Question 2: In ________ (moths and butterflies), examples of Z0, ZZW and ZZWW females can be found.

Question 3: The ZW sex-determination system is a system that determines the sex of offspring in birds, some fish and crustaceans such as the giant river prawn , and some insects (including butterflies and moths), and some reptiles, including ________.
Varanus salvadoriiBeaded lizardGila monsterKomodo dragon

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