I inherited my X chromosome from my mother.

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

This poster is designed in rounded sans-serif.

In organic chemistry, understanding geometric isomers is important.

The pyramidalis muscle is one of the muscles located in the human abdomen.

His character is two sides of the same coin, with kindness and strictness coexisting.

In physics, blackbody radiation is a very important concept.

He is immersed in the study of ancient seal script.

After he solved the problem, he said, 'It's like seeing the true form of a ghost or a withered silver grass,' meaning things are not as scary as they seem.

The Commonwealth of Independent States is an intergovernmental organization formed by part of the former Soviet Union.