megachromosome

例句：

1. 1. The study of megachromosomes is crucial for understanding the evolution of life on Earth.
   研究巨染色体对于理解地球上生命演化至关重要。
2. 2. Megachromosomes are responsible for the production of proteins in eukaryotic cells.
   巨染色体负责在真核细胞中产生蛋白质。
3. 3.In some species, the number of megachromosomes can vary greatly, affecting their genetic diversity.
   在某些物种中，巨染色体的数量可以有很大的变化，影响它们的遗传多样性。