What are the characteristics of genetics?

Almost half of the people in life are very concerned about genetic issues because they are worried that their diseases or potential chronic diseases may be passed on to their offspring, but they are too lazy to check. It would be better to understand the relevant characteristics of genetic genes and the relevant knowledge and key points, so that they can know some knowledge about genetics.

Basics

1. Gene

Genes exist in the cell nucleus, chromosomes, and DNA of organisms. Chromosomes appear in pairs, so DNA and genes appear in pairs. Under normal circumstances, the human body has 23 pairs of chromosomes, 46 DNA molecules, and countless genes (there are countless genes in one DNA).

2. Scope of genetic research

The study of genetics includes the nature of genetic material, the transmission of genetic material and genetic information.

There are three aspects to the realization of information. The transmission of genetic material includes the replication of genetic material, the behavior of chromosomes, genetic laws, and changes in the number of genes in a population. The goal of modern genetics is to seek to understand the underlying mechanisms of the entire genetic process.

Discipline Branch

The concept of parent-child in genetics is not limited to parents and children or one family, but can also be extended to groups including many families, which is the research object of population genetics. The concept of parent-child in genetics can also be based on cells. Cells cultured in vitro can maintain some genetic characteristics of the individual, such as the presence or absence of certain enzymes. The genetic study of cells cultured in vitro belongs to somatic cell genetics. The concept of parent-child in genetics can also be expanded to the replication of DNA and even the transcription of mRNA, which are topics of molecular genetics research. The systems biology study of gene interactions and signal transduction networks is the content of systems genetics.

The immune-active cells produced by a fertilized egg are able to produce a variety of different antibody globulins. This is also a topic in genetics, and its research belongs to immunogenetics.