| 单词 | sex chromosome |
| 释义 | sex chromosome (once / 196989 pages) n WORD FAMILY sex chromosome: sex chromosomes USAGE EXAMPLESHer research led to revelations of the roles sex chromosomes play in numerous chronic diseases. Washington Post(Nov 16, 2016) “Who knows — there might be many more species that have weird sex chromosomes and we've just never bothered to look,” he says. Nature(Nov 22, 2016) Scientists also think that sex chromosomes, specifically the X chromosome, may have an influence. Washington Post(Oct 17, 2016) n (genetics) a chromosome that determines the sex of an individual mammals normally have two sex chromosomes Hypo|Hyper X chromosome the sex chromosome that is present in both sexes: singly in males and doubly in females XX(genetics) normal complement of sex chromosomes in a female XXX(genetics) abnormal complement of three X chromosomes in a female XXY(genetics) abnormal complement of sex hormones in a male resulting in Klinefelter's syndrome XY(genetics) normal complement of sex hormones in a male XYY(genetics) abnormal complement of sex hormones in a male who has two Y chromosomes Y chromosomethe sex chromosome that is carried by men chromosome a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order |
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