Gene Complex

Genetic Complex: Introduction

A genetic complex is a collection of genes that control the development of one trait and cannot be separated by crossing over. In this article we will look at the basic principles underlying genetic complexes, their structure and functions.

Determination of the genetic complex

Genetic complexes are groups of genes that control the development of one trait or function of the body. These genes cannot be separated by crossing and are passed on together from parents to offspring.

Structure of the genetic complex

The genetic complex includes genes that control the same trait. They can be on different chromosomes, but they all must be closely related to each other.

Functions of the genetic complex

The genetic complex plays an important role in the development of the organism, since it controls the development of one trait. The genes that make up the complex work together to ensure the correct development of the trait.

Examples of genetic complexes

One example of a genetic complex is the complex that controls the development of eye color in humans. In this case, the genes responsible for the development of blue, green and brown eyes are on the same chromosome and cannot be separated.

Another example is the complex of genes responsible for the development of teeth. In this case, teeth develop from germ cells and are controlled by several genes on different chromosomes.

Conclusion

A genetic complex is a collection of genes that control the development of one trait in an organism. The genes within the complex work together to produce the trait and cannot be separated during crossbreeding.

Complex gene: Theory and practical implementation

A complex gene is a gene consisting of parts (alleles) that control the same trait and may not be detected during crossing. The term was first used in 1935 by geneticist Thomas Morgan.

Complex genes are found in all living organisms, including humans, plants, animals and even bacteria. They can control traits such as eye color, body shape, gender and other genetic characteristics. For example, in humans, the complex hypoxanthine guanine phosphoribosyltransferase (HPRT) gene—a gene that controls the production of red and white blood cells and the nervous system—consists of two alleles, each responsible for one fraction of the size of the HPRT trait. If both alleles remain the same size, then this results in maximum performance for the trait.

The analysis of complex genes is of scientific interest, since in some cases genes are not only parts of one trait, but are also able to function independently of other genes. For example, the genes for eyelash pigment—brown eye color—are complex, so their analysis allows us to study the interaction of the genome and epigenetics. Va