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Parthenogenesis is a natural or induced form of asexual reproduction in which an embryo develops from an egg without fertilization. Learn about the types, mechanisms, examples, and evolutionary implications of parthenogenesis in plants, animals, and algae.
A mitochondrion is a double-membraned organelle found in most eukaryotic cells that produces adenosine triphosphate (ATP) by aerobic respiration. It has its own genome, originated from a symbiotic bacterium, and is involved in various cellular processes and diseases.
Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes. The offspring that arise by asexual reproduction from either unicellular or multicellular organisms inherit the full set of genes of their single parent and thus the newly created individual is genetically and physically similar to the parent or an exact clone of ...
Females of species have the ability to reproduce asexually, without sperm from a male. ... Some plants and insects can do ... “A litter produced by sexual reproduction is usually much larger ...
Mitochondrial DNA is the small circular chromosome found inside mitochondria. These organelles, found in all eukaryotic cells, are the powerhouse of the cell. [1] The mitochondria, and thus mitochondrial DNA, are passed exclusively from mother to offspring through the egg cell.
Learn about the process by which cells increase mitochondrial numbers and how it is regulated by various signals and proteins. Find out the evolutionary history, metabolic functions, and fusion/fission events of mitochondria.
Reproduction is the biological process of producing new individual organisms from their parents. Learn about the differences and examples of asexual and sexual reproduction, as well as the concepts of meiosis, mitosis, and allogamy.
Mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei, producing genetically identical cells. Learn about the stages, variations, and history of mitosis, and how it differs from meiosis and binary fission.