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单词 Haplodiploids
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Haplodiploids

英语百科

Haplodiploidy

The haplodiploid sex-determination system is typical of bees, wasps, and other Hymenoptera.
Honeybee workers are unusually closely related to their full sisters (same father) because of their haplodiploid inheritance system.

Haplodiploidy is a sex-determination system in which males develop from unfertilized eggs and are haploid, and females develop from fertilized eggs and are diploid. Haplodiploidy is sometimes called arrhenotoky.

Haplodiploidy determines the sex in all members of the insect orders Hymenoptera (bees, ants, and wasps) and Thysanoptera ('thrips'). The system also occurs sporadically in some spider mites, Hemiptera, Coleoptera (bark beetles), and rotifers.

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