SEATTLE (AP) - No major gains appeared likely for either Democrats or Republicans vying for additional seats in the state Legislature after more votes were tallied Wednesday.

Democrats were trying to add to their already dominating ranks in Washington's House and Senate chambers; Republicans were fending off challenges in several spots across the state.

Democrats have controlled both the House and Senate since 2005. Before Tuesday's election, they had majorities of 63-35 in the House and 32-17 in the Senate.

There were 124 legislative races on the ballot - the entire 98-member House and 26 of the 49 Senate seats.

Key to any Democratic gains in the state House are two races in King County, where two Republican incumbents held slim leads.

Republican Reps. Skip Priest of Federal Way and Glenn Anderson of Fall City led their Democratic challengers, Carol Gregory and David Spring, by small margins, with less than 50 percent of the expected votes counted. As of late Wednesday afternoon, Anderson led Spring by only 19 votes; Priest held a wider margin over his opponent.

Elsewhere, Republican Rep. Norma Smith of Clinton trailed her Democratic challenger, Tim Knue, who had just over 50 percent of the votes with more than 70 percent of the tally completed.

Republican Bruce Dammeier took a slight lead of just 320 votes Wednesday over Democrat Rob Cerqui in a battle for the seat vacated by Rep. Joyce McDonald, R-Puyallup. However, less than half of the expected tally has been counted in that race.

Republicans were inching closer to picking up an open seat vacated by a Democrat. The GOP's Jan Angel held a small lead over Democrat Kim Abel in the 26th District, which covers part of Kitsap and Pierce counties.

In Spokane, Republican challenger Kevin Parker led Democratic incumbent Rep. Don Barlow, but Republican Rep. John Ahern trailed Democratic challenger John Driscoll. Driscoll led Ahern by less than 1 percent with more than 85 percent of the vote counted.

Democratic state Sen. Marilyn Rasmussen of Eatonville was holding a slim margin of more than 300 votes over her Republican challenger Randi Becker, a retired medical administrator.

Rep. Roger Goodman, D-Kirkland, fended off a strong challenge from former Rep. Toby Nixon, who held the seat before leaving in 2006 for an unsuccessful state Senate run.

Final results for close races in King County will probably not be known until later in the week.

Republicans targeted Senate Transportation Chairwoman Mary Margaret Haugen, D-Camano Island, but as of Wednesday she led 54 percent to 46 percent over GOP challenger Linda Haddon with 70 percent of the vote counted.

Republican Sen. Don Benton of Vancouver overtook his Democratic challenger, David Charrier, on Wednesday by fewer than 300 votes out of nearly 50,000 cast with nearly 90 percent of the ballots counted.

In the same district, Republicans lost one seat in the House. Democrat Tim Probst clinched the seat over Republican Joseph James.

In a handful of districts, voters decided between candidates of the same party, a result of the state's new primary election system in which the two candidates with the most votes advance to the general election regardless of party. There were no upsets in those races.