The paired chromosomes are called bivalent or tetrad chromosomes.
成对的染色体称为二价体（也称为四分体）。
Bivalent chromosome
原声例句
日常生活医学科普
英语百科
Bivalent (genetics)
（重定向自Bivalent chromosome）
A bivalent, sometimes referred to as a tetrad, is the association of a pair of homologous chromosomes physically held together by at least one DNA crossover. This physical attachment allows for alignment and segregation of the homologous chromosomes in the first meiotic division.
- pulsating force的意思
- pulsating intermittent proptosis的意思
- pulsating laser action的意思
- pulsating light的意思
- pulsating light source的意思
- pulsating load的意思
- pulsatingly的意思
- pulsating magnetic field的意思
- pulsating magnetizing force的意思
- pulsating mass的意思
- pulsating medium的意思
- pulsating membrane的意思
- pulsating mixing的意思
- pulsating mixing process的意思
- pulsating mixing process, PM的意思
- pulsating motion的意思
- pulsating motor的意思
- pulsating movement的意思
- pulsating neurasthenia的意思
- pulsating oil piping的意思
- pulsating organ的意思
- pulsating oxidative pyrolysis的意思
- pulsating pain的意思
- pulsating pleurisy的意思
- pulsating plunger pump的意思