نتایج جستجو برای: Paternal Factor
تعداد نتایج: 852445 فیلتر نتایج به سال:
To investigate the effect of different planting row ratios of parental lines and agronomic methods on synchronizing of flowering and seed production of SCK703 hybrid maize, a field experiment was carried out as a strip plot arranegemnts in randomized complete block design with three replications in southern Kerman agricukltural and natural rseraech and education center, Jiroft, Iran, in 2015 gr...
Mitochondria are inherited maternally in most animals, but the mechanisms of selective paternal mitochondrial elimination (PME) are unknown. While examining fertilization in Caenorhabditis elegans, we observed that paternal mitochondria rapidly lose their inner membrane integrity. CPS-6, a mitochondrial endonuclease G, serves as a paternal mitochondrial factor that is critical for PME. We found...
OBJECTIVE To determine if paternal age elevates the risk of low birthweight (< 2500g, LBW), preterm birth (< 37 weeks gestation), and multiple gestation among mothers whose age does not predict an elevated risk. DESIGN/METHODS Population data on birth outcome, maternal age and paternal age was obtained from Alberta Health and Wellness for all births 1990-1996. RESULTS Among women aged 25 to...
The effective population size (N(e)) quantifies the effectiveness of genetic drift in finite populations. When generations overlap, theoretical expectations for N(e) typically assume that the sampling of offspring genotypes from a given individual is independent among successive breeding events, even though this is not true in many species, including humans. To explore the effects on N(e) of no...
Chediak et al. have reported that the titer of procoagulant antihemophilic factor (AHF:C; factor VIII:C) was significantly lower in obligate carriers of classic hemophilia who were daughters of affected men (paternal carriers) than in those whose fathers were normal by history (maternal carriers). In contrast, among 113 obligate carriers of hemophilia, no significant difference in procoagulant ...
Introduction: One of the most important events that can happen in a man's life, is becoming a father, which causes huge changes in men's personality, lifestyle and identity. The aim of this study is to determine the relationship between adaptation with paternal role and its fatherhood and offspring predictive factors in fathers attending to healthcare centers in Rasht. Methods: The present stu...
BACKGROUND Environmental alternations leading to fetal programming of cardiovascular diseases in later life have been attributed to maternal factors. However, animal studies showed that paternal obesity may program cardio-metabolic diseases in the offspring. In the current study we tested the hypothesis that paternal BMI may be associated with fetal growth. METHODS AND RESULTS We analyzed the...
The Paternal Adjustment and Paternal Attitudes Questionnaire (PAPA) was designed to assess paternal adjustment and paternal attitudes during the transition to parenthood. This study aimed to examine the psychometric characteristics of the Portuguese versions of the PAPA-Antenatal (PAPA-AN) and -Postnatal (PAPA-PN) versions. A nonclinical sample of 128 fathers was recruited in the obstetrics out...
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