'This composer's "Musical Offering" is based on a theme given him by Frederick the Great in 1747'
Bach
400
'Billed as the Eighth Wonder of the World when it opened in 1965, it housed victims of Katrina in 2005'
the Astrodome
400
'Happy or Doc (5)'
dwarf
600
'Timeless Irving Berlin tunes--& a snowfall--are highlights of this holiday musical based on a 1954 film'
White Christmas
600
'Take a swim in this term for all the possible variations of genes within an interbreeding population'
the gene pool
600
'Happily, he found the time to finish the "trout" quintet, heard here'
Schubert
600
'This D.C. landmark is 2-toned because it was partially built but lost funding for close to 15 years, until the centennial'
the Washington Monument
600
'Rastafarian hair style (10)'
dreadlocks
800
'"Step In Time" to see this musical set in part at 17 Cherry Tree Lane in London'
Mary Poppins
800
'(Sarah of the Clue Crew shows a graphic on the monitor.) To determine a unique identifier, scientists look at patterns formed by multiple alleles in a person's DNA the process is called this, like taking inked impressions of a crime suspect'
genetic fingerprinting
800
'The "American" quartet is an 1893 work by this Czech composer known for his interest in the New World'
(Antonin) Dvorak
800
'The first official flag of the U.S. was agreed upon in this building that has also served as the city dog pound'
Independence Hall
800
'It puts a spin on Hanukkah (7)'
a dreidel
1000
'Elton John wrote the music for this Broadway show in which a working-class British lad dreams of being a ballet dancer'
Billy Elliot
1000
'The true power behind DNA & genes, this can be messenger, transfer or ribosomal'
R(ibo) N(ucleic) A(cid)
1000
'A 1996 sonata by Lowell Lieberman is for flute & this, also a popular pairing at weddings'
a harp
1000
'You can tour numerous Frank Lloyd Wright buildings in Oak Park in this state'