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Facts about Genes

Sourav Bio

What are Genes?

Genes are hereditary functional units since they are composed of DNA. Genes are transmitted or inherited from parents to offspring. Chromosomes typically arrange and package genes, and genes are composed of either DNA or RNA, which regulate an organism’s characteristics.

Genetics is the scientific study of genes, genome, heredity, cell cycle, and inheritance. It is a biological discipline. In 1905, William Bateson established the phrase genetics, and in 1909, a Danish botanist called Wilhelm Johannes developed the term GENE.

According to scientific views, the genes of all living things on Earth share certain similarities since we all emerged from a common ancestor.

Humans share a 95% genetic similarity with chimpanzees and are also genetically related to other animals, such as cats, cattle, etc.

Several further fascinating and surprising facts about genes are included in the following list.

40 Facts about Genes

  1. Genes are the basic units of heredity, responsible for passing on traits from parent to offspring.
  2. Genes are made up of DNA, a double-stranded molecule that carries the genetic code.
  3. There are around 28,000 to 30,000 genes in each human cell and approximately 12,000 to 13,000 genes on each chromosome.
  4. Genes are located on chromosomes, which are found in the nucleus of cells.
  5. Chromosomes come in pairs, with one copy inherited from each parent.
  6. Genes are made up of exons, which code for proteins, and introns, which do not.
  7. Gene expression is the process by which a gene’s code is used to make a protein.
  8. Different forms of a gene, called alleles, can result in variations of a trait.
  9. Genetic disorders are caused by mutations in genes.
  10. Genes can also play a role in susceptibility to certain diseases.
  11. Genetic testing is used to detect mutations or changes in genes.
  12. The Human Genome Project was a large-scale international research effort to map and sequence the human genome.
  13. Genes can be manipulated through genetic engineering, a technology used in agriculture, medicine, and research.
  14. CRISPR-Cas9 is a powerful tool for editing genes.
  15. Some organisms have more than 2 sets of chromosomes, called polyploidy.
  16. Epigenetics is the study of changes in gene expression that do not involve changes to the underlying DNA sequence.
  17. The study of genetics can help understand the underlying causes of diseases and potentially lead to new treatments.
  18. Genetic research has also led to the development of personalized medicine.
  19. Genetic variation is important for evolution.
  20. Genes can affect behavior and mental health.
  21. Genes are not deterministic, environmental factors also play a role in shaping traits.
  22. The study of genetics also includes the study of genetic disorders and genetic diseases.
  23. Many genetic disorders are caused by mutations in a single gene.
  24. Some genetic disorders are inherited in a dominant or recessive pattern.
  25. Some genetic disorders are caused by chromosomal abnormalities.
  26. The study of genetics can also help understand the genetic basis of certain types of cancer.
  27. The field of pharmacogenetics is concerned with how genetic variation affects an individual’s response to drugs.
  28. The study of genetics is also important for understanding the genetic diversity of populations.
  29. Genetic research also has important implications for forensic science.
  30. Genetic research is also used in the field of archaeogenetics to study human evolution.
  31. Genes also play a role in plant growth and development.
  32. Genetic engineering is being used to improve crop yields and develop drought-resistant plants.
  33. Genes play a role in animal behavior and development.
  34. Some genetic disorders are found only in certain breeds of animals.
  35. Genetic testing can be used to identify and track specific genes in animal populations.
  36. Some genetic disorders are caused by the deletion or duplication of a small piece of a chromosome.
  37. Some genetic disorders are caused by mutations in the non-coding regions of a gene.
  38. Some genetic disorders are caused by mutations in more than one gene.
  39. Recent advancements in genetic research have led to the development of gene therapy, a treatment that aims to fix or replace faulty genes.
  40. It is important to consider ethical and social implications of genetic research and its applications.

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