noun[ C ](also X-chromosome)uk/ˈeks ˌkrəʊ.mə.səʊm/us/ˈeks ˌkroʊ.mə.soʊm/
X染色体
a sex chromosome (= a structure containing chemical patterns) that usually exists as a pair in the cells of women and many female animals and with a Y-chromosome in the cells of men and many male animals
The genes that cause red-green colour blindness are located on the X chromosome.
Compare: Y chromosome
更多例句
If both the ovum and the sperm hold X chromosomes, the fertilized cell will grow into a female child.
The syndrome is characterized by an abnormality in the X chromosome.
Women inherit two copies of the X chromosome, but in each cell only one copy of the chromosome is activated.