Results 1 to 10 of about 16,399 (267)

Genetic patterns of paternity and testes size in mammals. [PDF]

open access: yesPLoS ONE, 2010
BACKGROUND: Testes size is used as a proxy of male intrasexual competition, with larger testes indicative of greater competition. It has been shown that in some taxa, social mating systems reflect variance in testes size, but results are not consistent ...
Carl D Soulsbury
doaj   +1 more source

Consistent paternity skew through ontogeny in Peron's tree frog (Litoria peronii). [PDF]

open access: yesPLoS ONE, 2009
BACKGROUND:A large number of studies in postcopulatory sexual selection use paternity success as a proxy for fertilization success. However, selective mortality during embryonic development can lead to skews in paternity in situations of polyandry and ...
Craig D H Sherman   +2 more
doaj   +1 more source

ENVIRONMENTAL FACTORS INFLEUNCING DISPUTED PATERNITY USING DNA-BASED METHODS [PDF]

open access: yesJournal of Environmental Science, 2019
The paternity of a child may be disputed either when the child is born in wedlock and the husband denies paternity or when the child is born out of wedlock and the man named as the father denies paternity.
Heba G. Gabr   +3 more
doaj   +1 more source

Evaluation of diallelic STR markers with inter-population allelic database for their usefulness in paternity trios in the Central Indian population

open access: yesAnnals of Human Biology, 2021
Background Most of the forensic DNA laboratories have migrated to new generation STR kits of 6 dye chemistry with more than 20 autosomal STRs. The population-specific databases of such STR markers are lacking in many regions.
Hirak Ranjan Dash   +5 more
doaj   +1 more source

Paternity sharing in insects with female competition for nuptial gifts

open access: yesEcology and Evolution, 2022
Male parental investment is expected to be associated with high confidence of paternity. Studies of species with exclusive male parental care have provided support for this hypothesis because mating typically co‐occurs with each oviposition, allowing ...
Jessica H. Browne, Darryl T. Gwynne
doaj   +1 more source

Paternity Cases within a Medicolegal Context: a Case Study of Heteropaternal Superfecundation in Iraq

open access: yesArab Journal of Forensic Sciences & Forensic Medicine, 2017
A case of paternity was referred to the Medical-Legal Directorate( MLD)/ Baghdad in August 2011 .The family who were concerned was the  Father (41 years old ) ,mother (23 years old) and 2 sons non identical twin (1.5year old) .
Hannan K. Mahmood   +2 more
doaj   +1 more source

The influence of paternity leave uptake on parental post-partum depression: An ELFE cohort study

open access: yesEuropean Psychiatry, 2023
Introduction Many countries are currently expanding their paternity leave policies, which have positive effects on parental mental health. Objectives We examined whether two weeks of paid paternity leave are associated with post-partum depression (PPD ...
K. M. Barry   +5 more
doaj   +1 more source

Paternity acknowledgment in 2 million birth records from Michigan. [PDF]

open access: yesPLoS ONE, 2013
Out-of-wedlock childbearing is more common in the U.S. than in other countries and becoming more so. A growing share of such non-marital births identify the father, which can create a legal entitlement to child support.
Douglas Almond, Maya Rossin-Slater
doaj   +1 more source

Paternity Leave, Father Involvement, and Parental Conflict: The Moderating Role of Religious Participation

open access: yesReligions, 2018
Numerous studies show that taking paternity leave is associated with increased father involvement. However, fewer studies have explored contextual factors that may increase (or diminish) the likelihood that paternity leave-taking provides benefits to ...
Richard J. Petts
doaj   +1 more source

Sperm length variation as a predictor of extrapair paternity in passerine birds. [PDF]

open access: yesPLoS ONE, 2010
The rate of extrapair paternity is a commonly used index for the risk of sperm competition in birds, but paternity data exist for only a few percent of the approximately 10400 extant species.
Jan T Lifjeld   +4 more
doaj   +1 more source

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