Jisho

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Noun
1. sex chromosomeSee also 常染色体
Wikipedia definition
2. AllosomeAn allosome is a sex chromosome that differs from an ordinary autosome in form, size, or behavior. The human sex chromosomes are a typical pair of allosomes. The x chromosome is present in the ovum, while x or y chromosomes can be present in sperm. The chromosomes which determine the sex (maleness or femaleness) of an individual in sexually producing organisms are called sex chromosomes or allosomes or idiosomes.
Read “Allosome” on English Wikipedia
Read “性染色体” on Japanese Wikipedia
Read “Allosome” on DBpedia

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