单词	lower chalk
释义	lower chalk 低强度白垩
随便看	chromosome non-disjunction chromosome nonhomologous Chromosome nuclear type analysis chromosome nucleolar chromosome nucleolus chromosome number chromosome numbers chromosome number variation chromosome numerical aberration chromosome of mulberry silkworm chromosome of wheat chromosome organization chromosome orientation Chromosome,P1-Derived Artificial chromosome painting Chromosome Painting Chromosome Paintings chromosome pair chromosome pairing Chromosome pairing control system Chromosome Pairings chromosome pairingsynapsis chromosome pairingsynapsis,syndesis chromosome pairingsynapsis, syndesis chromosome pairing,synapsis,syndesis