What is the 23 pair of chromosomes in a human cell called?

Why are they important?

Their are the sex chromosomes.

They affect the gender.

can you check my answer please ,and help me with an answer

Your question is not clearly worded.

I think you are looking for the term karyotype which is the characteristic chromosome complement of a species. In humans there are 23 chromosomes.

Chromosome 23 has an X and X or X and Y chromosome which are the sex chromsomes. XX being female and XY being male.

The 23rd pair of chromosomes in a human cell is indeed called the sex chromosomes. Specifically, they are labeled as X and Y chromosomes. The presence or absence of these chromosomes determines an individual's biological sex.

In most cases, females have two X chromosomes (XX) and males have one X and one Y chromosome (XY). The combination of these sex chromosomes determines the development of sexual characteristics and reproductive system in humans. The presence of Y chromosome triggers the development of male-specific traits, such as male reproductive organs and secondary sexual characteristics like facial hair and a deeper voice.

The importance of the sex chromosomes lies in their role in defining an individual's physical and biological sex. The sex chromosomes carry essential genes that govern the development of sexual characteristics, as well as the production of eggs or sperm. They also play a role in various genetic disorders or conditions related to sexual development. Understanding the sex chromosomes is crucial in the fields of genetics, reproductive health, and medical research.