The study of chromosomes is an important part of cytology.

He likes to take a walk in the park at dusk.

This fabric has high color fastness, so it is hard for the color to fade even when washed.

The Y chromosome carries the genes that determine maleness.

I inherited my X chromosome from my mother.

In our body's cells, there are two types of chromosomes: autosomes and sex chromosomes.

Sex chromosomes play an important role in determining the sex of an organism.

Sex chromosomes play a crucial role in determining the sex of an organism.

He is dedicated to the study of autosomes.

We should always remember the power of Kannon in difficult times.