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单词 Thelytokous
释义

Thelytokous

英语百科

Thelytoky

The effects of central fusion and terminal fusion on heterozygosity

Thelytoky (from the Greek thēlys "female" and tokos "birth") is a type of parthenogenesis in which females are produced from unfertilized eggs, as for example in aphids. Thelytokous parthenogenesis is rare among animals and reported in about 1,500 species, about 1 in 1000 of described animal species, according to a 1984 study. It is more common in invertebrates, like arthropods, but it can occur in vertebrates, including salamanders, fish, and reptiles such as some whiptail lizards.

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更新时间:2025/6/18 11:26:39