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Biology Dna And Rna Structure Function Difference

Deoxyribonucleic Acid
Introduction

Deoxyribonucleic acid (DNA) is a that encodes the genetic instructions used in the development and functioning of all known living organisms and many viruses. DNA is a polymer made from a chain of nucleotides made from three parts: a phosphate group, a sugar group, and a nitrogen-containing base. There are four different types of bases: adenine (A), thymine (T), cytosine (C), and guanine (G). These bases pair up with each other to form base pairs, which are the building blocks of DNA.

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Biology Genetics Mendels Laws Exception And Genetic Disorders

Mendel Research
Mendel Research: Unraveling the Secrets of Heredity
Introduction

Gregor Mendel, an Austrian monk and scientist, conducted groundbreaking research in the mid-1800s that laid the foundation for modern genetics. His meticulous experiments with pea plants revealed the fundamental principles of heredity, which revolutionized our understanding of how traits are passed down from one generation to the next.

Mendel’s Experiments

Mendel’s research focused on seven contrasting traits in pea plants, such as flower color, seed shape, and plant height. He carefully controlled the breeding of pea plants, creating specific crosses and observing the resulting offspring. Through his experiments, Mendel discovered several key principles of heredity:

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Genetics

Genetics

Genetics is the study of genes, which are the units of heredity in living organisms. Genes are made up of that contains instructions for the development and functioning of an organism. Genes are passed down from parents to offspring through reproduction. The study of genetics has led to a greater understanding of how traits are inherited, how organisms evolve, and how diseases are caused. Genetics has also been used to develop new technologies, such as genetic engineering, which allows scientists to alter the genes of organisms.

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Mendelian Disorders In Humans

Mendelian Disorders in Humans

Mendelian disorders are . These disorders can be dominant, recessive, or X-linked. Dominant disorders require only one copy of the mutated gene to cause the condition, while recessive disorders require two copies. X-linked disorders are caused by mutations in genes located on the X chromosome and primarily affect males. Examples of Mendelian disorders include cystic fibrosis, sickle cell anemia, Huntington’s disease, and hemophilia. Understanding the inheritance patterns of these disorders helps in genetic counseling, diagnosis, and potential treatment options.

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