| Answer | Crossword Clue |
|---|---|
| bivalents | BIVALENT, a pair of chromosomes |
| bivalent | pair of bivalent chromosomes, esp. when pairing during meiosis |
| bivalence | pair of bivalent chromosomes, esp. when pairing during meiosis |
| bivalent | a pair of chromosomes |
| bivalents | A pair of homologous chromosomes |
| heterogametic | having a dissimilar pair of sex chromosomes |
