Barr body

短语

巴氏小体；性染色质

词形变化

Barr bodies 复数 Barr bodies

释义与例句

n.
  1. 1.

    A sex chromosome inactivated by packing in heterochromatin.

    生物

    Men with Klinefelter syndrome (47,XXY karyotype) have a single Barr body, whereas women with a 47,XXX karyotype have two Barr bodies.

词源

Named after discoverer Murray Barr.

来源：wiktionary