black allele的用法和樣例：
例句
- If the gene therapy could make the white hair of an albino mouse turn black, it should also help banish gray hair - without dyes.
如果基因療法能使患白化病的老鼠毛髮變黑，那不用染髮劑而使用基因療法也應該有助於消除灰白頭髮。 - The possibility of tinkering with the scalp's genes to prevent the onset of graying gained momentum four years ago when scientists made an albino mouse turn black in one patch.
四年前，科學家已經可以使患白化病的老鼠的一小塊皮毛變黑，這為研究修補頭皮基因來防止頭髮變灰的可能性提供了動力。
