منابع مشابه
Y Fuse? Sex Chromosome Fusions in Fishes and Reptiles
Chromosomal fusion plays a recurring role in the evolution of adaptations and reproductive isolation among species, yet little is known of the evolutionary drivers of chromosomal fusions. Because sex chromosomes (X and Y in male heterogametic systems, Z and W in female heterogametic systems) differ in their selective, mutational, and demographic environments, those differences provide a unique ...
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Psychologists are responsible for the emotional care to patients who are in end-of-life processes. Little is known about the experiences, the obstacles and problems they face when addressing such complex situations, so the main objective of this research is to understand and explore what they are. A qualitative phenomenological design was performed, using semi structured interviews, which were ...
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El propósito de este trabajo es presentar el impacto y la integración que los conocimientos adquiridos en el Programa Internacional de Formación en Ética de la Investigación Biomédica y Psicosocial de la Universidad de Chile han tenido en mi experiencia profesional, en el ámbito de la investigación psicosocial en un Instituto de Salud de México. Para este objetivo, expondré tres áreas en las cu...
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Objective. To explore the aging experience among men and women older than 60 years, living in rural areas from the states of Guerrero and Morelos, Mexico. Materials and Methods. A qualitative study was conducted in povertystricken, underserved communities with less than 2 500 inhabitants. Semi-structured interviews were applied to collect data. Results. The aging experience is different accordi...
متن کاملSup. Mat.: Y fuse? Patterns of sex chromosome fusions in fishes and reptiles
Consider fusions that originate at rate mC in sex (sex = m or f) and involving chromosome C (C = X, Y, Z, or W). We assume that there is no recombination between the sex determining region (SDR) and the fusion; that is, an X-A fusion is assumed to remain X-A and not recombine to create a fused Y-A chromosome. [Such recombination events would lead to expanded chromosome regions on both sex chrom...
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ژورنال
عنوان ژورنال: El Ornitorrinco Tachado. Revista de artes visuales
سال: 2019
ISSN: 2448-6949
DOI: 10.36677/eot.v0i9.10323