Results 1 to 10 of about 16,399 (267)
Genetic patterns of paternity and testes size in mammals. [PDF]
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]
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]
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
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
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
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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
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]
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
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]
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

