00000nz a2200000n 4500 001 KSH2002012297 005 20021107122243 008 020521 n azknn|abn |a a|a | 150 ▼a유전자 풀[遺傳子--]▲ 450 ▼wr▼i영어▼agene pool▲ 550 ▼a유전 정보[遺傳情報]▲ 550 ▼a유전자[遺傳子]▲