maternal effect

(redirected from Paternal effect)
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maternal effect

[mə′tərn·əl i‚fekt]
(genetics)
Determination of characters of the progeny by the maternal parent; mediated by the genetic constitution of the mother.
References in periodicals archive ?
The testers/pollinators denoted normal portion of paternal effect over maternal for bolls plant-1 (20.
22) However, in a separate analysis of the same 98 prenatally diagnosed cases in New York State, Hook and Cross found no paternal effect (Jyothy et al 2000).
Nevertheless recent studies have pointed that not only maternal improper physiological response but also paternal effect had an important role in the pathogenesis.
Professor Hasan Arshad, who conducted the research, said: "We have known for decades that allergy runs in the family and many thought that maternal effect was greater than paternal effect due to a mother's closeness to her child, but we have discovered the inheritance is from mother to daughter and father to son," Prof Arshad said.
We have known for decades that allergy runs in the family and many thought that maternal effect was greater than paternal effect due to a mothers' closeness to her child, but we have discovered the inheritance is from mother to daughter and father to son," Prof Arshad said.
Paternal effect genes are important because without them a fertilised egg cannot develop into an adult.
The hope is that now the new bulls will have a paternal effect on the young males.
Such a paternal effect would be expected if there was selection on both parents.
One distinct paternal effect is that fathers seem to provide a "wake-up call" with their stimulation that complements the more soothing styles mothers use with babies; the outcome is that as early as 30 days after birth, newborns behave differently with their fathers and mothers.
The diallel analysis corroborates this interpretation by showing that most of the variance among paternal half-sib families was due to a nonnuclear paternal effect (Tables 4 and 5).