Last Updated：2025/12/02
Sentence
バッタの個体群を研究する研究者たちは、雌がXXで雄がX染色体を1本しか持たない性決定機構が、特定の環境ストレス下で雄の個体比率を高めることがあると発見した。
Quizzes for review
Researchers studying grasshopper populations found that the X0 system can cause shifts toward more male offspring under certain environmental stresses.
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Researchers studying grasshopper populations found that the X0 system can cause shifts toward more male offspring under certain environmental stresses.
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Related words
X0 system
Proper noun
Japanese Meaning
昆虫（バッタ、コオロギ、ゴキブリなど）の性決定システム。メスは2つの性染色体XXを持ち、オスは1つのXのみを持つ（または単にXと表記され、0はもう一つのXが存在しないことを示す）。
English - English
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