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Gold سعر الذهب التاريخية التخطيط والرسم البياني
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أخبار الذهب:
- Temperature-dependent sex determination - Wikipedia
Temperature-dependent sex determination (TSD) is a type of environmental sex determination in which the temperatures experienced during embryonic larval development determine the sex of the offspring [1]
- Temperature-dependent sex determination is mediated by pSTAT3 . . . - Science
We show that signal transducer and activator of transcription 3 (STAT3) is phosphorylated at the warmer, female-producing temperature, binds the Kdm6b locus, and represses Kdm6b transcription, blocking the male pathway
- What causes a sea turtle to be born male or female? - NOAAs National . . .
This is called temperature-dependent sex determination, or TSD Research shows that if a turtle's eggs incubate below 27 7° Celsius (81 86° Fahrenheit), the turtle hatchlings will be male If the eggs incubate above 31° Celsius (88 8° Fahrenheit), however, the hatchlings will be female
- Understanding the role of environmental temperature on sex . . .
In vertebrates, species exhibit phenotypic plasticity of sex determination that the sex can plastically be determined by the external environmental temperature through a mechanism, temperature-dependent sex determination (TSD)
- Temperature-Dependent Sex Determination - ScienceDirect
In one form of ESD, temperature-dependent sex determination (TSD), the temperature at which the eggs are incubated determines the sex of the hatchlings There are three different patterns or temperature profiles that have been described for TSD species, male–female (MF), female–male (FM), and female–male–female (FMF)
- How is the gender of some reptiles determined by temperature?
Sex-determining mechanisms in reptiles are broadly divided into two main categories: genotypic sex determination (GSD) and temperature-dependent sex determination (TSD)
- Temperature-Dependent Sex Determination in Reptiles
Temperature-dependent sex determination (TSD), where the temperature of the embryo’s environment influences its sex development, is a widespread non-genetic process of sex determination among vertebrates, including reptiles
- On the origin of patterns of temperature-dependent sex determination . . .
Species with temperature-dependent sex determination (TSD) exhibit significant variation in the relationship between incubation temperatures and the sex ratios they produce, making this an ideal system for comparing processes producing variation above and below the species level
- Temperature-dependent sex determination is mediated by pSTAT3 . . . - PubMed
In many reptiles, including the red-eared slider turtle Trachemys scripta elegans ( T scripta ), sex is determined by ambient temperature during embryogenesis We previously showed that the epigenetic regulator Kdm6b is elevated at the male-producing temperature and essential to …
- The genetics of thermosensitive sex determination - PMC
Temperature-dependent sex determination, TSD for short, was first discovered in reptiles and has been studied for decades However, the mechanism underlying TSD has been remarkably hard to define Recent work has identified a new TSD gene and lays out a powerful approach for finding additional thermosensors
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