安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Epigenesis (biology) - Wikipedia
In biology, epigenesis (or, in contrast to preformationism, neoformationism) is the process by which plants, animals and fungi develop from a seed, spore or egg through a sequence of steps in which cells differentiate and organs form
- What Is Epigenetics? - Cleveland Clinic
Epigenetics is the study of how our environment influences our genes by changing the chemicals attached to them What we eat, our physical activity level, access to resources and more affect those chemicals, in turn shaping our health Epigenetics can help scientists understand why diseases happen and explore new avenues for treatment
- Epigenetics, Health, and Disease | Genomics and Your Health | CDC
Epigenetics refers to how your behaviors and environment can cause changes that affect the way your genes work Unlike genetic changes (mutations), epigenetic changes are reversible and do not change the sequence of DNA bases, but they can change how your body reads a DNA sequence
- EPIGENESIS Definition Meaning - Merriam-Webster
The meaning of EPIGENESIS is development of a plant or animal from an egg or spore through a series of processes in which unorganized cell masses differentiate into organs and organ systems; also : the theory that plant and animal development proceeds in this way
- Genetics, Epigenetic Mechanism - StatPearls - NCBI Bookshelf
Despite not directly altering the DNA sequence, epigenetic mechanisms can regulate gene expression through chemical modifications of DNA bases and changes to the chromosomal superstructure in which DNA is packaged
- What Is Epigenetics? | Science - AAAS
Movie 1 Science senior editor Guy Riddihough taps experts for their definition of epigenetics The lack of identified genetic determinants that fully explain the heritability of complex traits, and the inability to pinpoint causative genetic effects in some complex diseases, suggest possible epigenetic explanations for this missing information
- What is epigenetics? - MedlinePlus
Epigenetics is the study of how cells control gene activity without changing the DNA sequence "Epi-"means on or above in Greek,and "epigenetic" describes factors beyond the genetic code Epigenetic changes are modifications to DNA that regulate whether genes are turned on or off
- 12. 5: Epigenetics - Biology LibreTexts
To sum up, epigenetics is the study of when and how undifferentiated cells (embryonic and later, adult stem cells) acquire their epigenetic characteristics and then pass on their epigenetic information to progeny cells As we’ll see shortly, epigenetic inheritance is not limited to somatic cells, but can span generations!
|
|
|