bivalent /bī-vāˈlənt or bivˈə-lənt/

1. Having a valency of two (chem)
2. Relating to one of a pair of homologous chromosomes (also noun)

• tickens
• ticker
• tickers
• ticker tape
• ticker tapes
• ticker-tape welcome
• ticket
• ticket agent
• ticket agents
• ticket collector
• ticket collectors
• ticket day
• ticket days
• ticketed
• ticket-holder
• ticket-holders
• ticketing
• ticketless
• ticket office
• ticket offices
• ticket of leave
• ticket-of-leave man
• ticket porter
• ticket porters
• ticket punch