Genetic Drift- Definition, Types, Examples
Genetic drift can be defined as the loss of alleles from a population by chance. It is one of the four elements that influence the evolution of a gene pool, along … Read more
Genetic drift can be defined as the loss of alleles from a population by chance. It is one of the four elements that influence the evolution of a gene pool, along … Read more
It was Wilhelm Johannsen, a Danish botanist, who first coined the term “gene” in 1909. A gene is a section of chromosomal DNA that is transcribed into a functional RNA … Read more
Gene flow is the transfer of genetic material from one population to another or simply a gene migration. Natural selection, genetic drift, and gene flow all work together to create … Read more
Purine is a water-soluble heterocyclic aromatic organic compound consisting of a six-membered pyrimidine ring and a five-membered imidazole ring. A nucleotide sequence in the cell’s DNA determines the nucleotide sequence … Read more
There are 23 pairs of chromosomes in each human cell and hundreds of thousands of distinct genes on each chromosome. An individual inherits two versions of each gene, known as … Read more
The heart valves are pivotal in maintaining the systolic and diastolic phases of the cardiac cycle. There are two types of heart valves. They are: Atrioventricular valves consist of the … Read more
Inheritance, often known as Heredity, is the process of passing on traits from one generation to the next, either through gametes, sperm, and ova in sexual reproduction or by asexual … Read more
Prokaryotic topoisomerase II, also known as DNA gyrase, is the only topoisomerase that introduces negative supercoils into DNA thus far. DNA topoisomerases are a class of enzymes that can change the … Read more
According to the cell theory, all biological organisms are made up of cells, the basic building blocks of life, and all life evolved from preexisting life. It is the cell … Read more
Alternation of generations can be defined as a reproductive cycle of certain vascular plants, fungi, and protists in which each phase is made up of one of two distinct, free-living … Read more