As in our prior work,23 we allowed diagnoses that are not typically assigned in the first 18 months of life, to allow for a consistent definition that could be preserved across age groups in future investigations. Exposure Definition Maternal SARS-CoV-2 positivity was defined by the presence ...
Learn the definition of asexual reproduction and understand how it differs from sexual reproduction. Discover examples of organisms that reproduce asexually. Related to this Question What type of reproduction results in the production of genetically identical offspring?
Germline vs. Somatic Mutations | Definition & Differences from Chapter 15/ Lesson 5 88K Learn about germline vs. somatic mutations. Identify examples of somatic vs. germ cell mutations, and discover the significance of the difference. Related to this Question ...
Social competition and attendant stresses are by definition integral features of sexual selection and, as mentioned, the ability to cope with the rigors of competition is signaled in carotenoid-based and many other sexually selected traits. These rigors will trigger the release of stress hormones, su...
Thus, it is essential to quantify PI according to its ultimate definition, that is, to measure any investment by a parent that enhances offspring fitness at the expense of the parent's expectation for additional offspring (Fig. 1)1,2,4,15. Second, the conflict is among genes, not traits...
Berger SL, Kouzarides T, Shiekhattar R, Shilatifard A (2009) An operational definition of epigenetics. Genes Dev 23:781–783PubMedCentralPubMedCrossRef Bernardino T, Roux C, Almeida A et al (1997) DNA hypomethylation in breast cancer: an independent parameter of tumor progression? Cancer Ge...
“Materials and methods” for each detailed definition).Gray barsindicate the probability to choose the correct sand well in the session which was different from the previously rewarded one.White barsindicate the probability to choose other sand wells as the first choice.Dotted lineindicates a ...
We had selected non-live vaccines for the experiments to ensure any effects we detected were only related to the effect of producing the associated immune response, without any costs associated with the pathology caused by parasitism or infection which, by definition, incurs a direct cost to the...
Reproductive Isolation | Definition, Types & Examples from Chapter 30 / Lesson 14 259K Explore reproductive isolation. Learn the definition of reproductive isolation and understand its different types. Discover examples of reproductive isolation. Related...
Learn more about this topic: Biological Fitness | Definition, Evolution & Examples from Chapter 4 / Lesson 8 96K Understand the definition of biological fitness, discover what fitness evolution is, learn what causes biologica...