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maternal effect
(redirected from Paternal effect)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
maternal effect.
maternal
pertaining to the female parent.

maternal antibodies
see maternal antibody and passive immunity.
maternal bond
see dam-offspring bond.
maternal effect
the transitory influence of the mother on the phenotype of her offspring, caused by factors such as milk yield and uterine environment.
maternal neglect
failure of the dam to stay with the neonate, failure to groom it, help it to feed, find it if separated. The extreme degree is desertion. Characteristic of some breeds, e.g. merino ewes. See also mismothering.
maternal nutritional status
body condition of a dam, pregnant or with a neonate at foot; important management feature as insurance for the survival of the offspring.
maternal obstetric paralysis
a common abnormality after a difficult calving, especially in a heifer. It is caused by pressure on peripheral nerves, and manifests itself as weakness, paresthesia in one hindleg, or difficulty or inability to rise. The ligaments, joints and muscles are normal. See also obturator paralysis.
maternal pelvic inlet
the size of the aperture leading from the peritoneal to the pelvic cavity.


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Fathers have important influences on adolescent children (Cookston & Findlay, 2006; Regnerus & Luchies, 2006), but most research examining paternal effects on development, as well as research on the factors influencing father involvement, concerns the early period of the child's life.
The offspring of older mothers also had an increased risk, but it was less pronounced that the paternal effect, the study said.
Paternal effect genes are important because without them a fertilised egg cannot develop into an adult.
 
 
 
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