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Feb. 15, 2024 When the female gametes in plants become fertilized, a signal from the sperm activates cell division, leading to the formation of new plant seeds. This activation can also be deliberately triggered ...
Mar. 14, 2024 After the egg has been fertilized by a sperm, the surrounding egg coat tightens, mechanically preventing the entry of additional sperm and the ensuing death of the embryo, a new study finds. The work ...
July 21, 2023 Scientists show how a fertilized egg cell, or zygote, hits 'reset' so that the newly formed embryo can develop according to its own genetic ...
July 19, 2022 The Prussian carp is considered one of the most successful invasive fish species in Europe. Its ability to reproduce asexually gives it a major advantage over competing fish. An international ...
July 28, 2023 Scientists have pinpointed a genetic cause for virgin birth for the first time, and once switched on the ability is passed down through generations of ...
Mar. 8, 2024 New research describes the science behind a promising technique to treat infertility by turning a skin cell into an egg that is capable of producing viable embryos. The technique could be used by ...
Nov. 2, 2022 A research team have discovered a mechanism of flowering plant sperm compaction and gathered clues as to why it is ...
Oct. 19, 2021 A new study shows that functional sperm cells can be made in a dish using primate embryonic stem ...
May 10, 2021 The process of combining maternal and paternal genetic information is surprisingly ...
Dec. 21, 2023 The intricate process of duplicating genetic information, referred to as DNA replication, lies at the heart of the transmission of life from one cell to another and from one organism to the next. ...