parental gamete

parental gamete

a gamete that has a genotype identical to one of the HOMOLOGOUS CHROMOSOMES in the original diploid cell. see GENETIC LINKAGE.
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It was also unable to identify whether the effects in offspring resulted from trauma effects to the parental gametes or changes occurring to offspring during pregnancy or postnatally.
What really increases the defects, or whether these defects are transferred through parental gametes to the offspring or whether suboptimal in vitro conditions cause permanent changes in gametes or embryos that will influence the future life of IVF babies are not clearly known yet.
Shull (1952) defined the term heterosis as "the interpretation of increased vigor, size, fruitfulness, speed of development, resistance to disease and to insect pests, or to climatic rigors of any kind, manifested by crossbred organisms as compared with corresponding inbreds, as the specific results of unlikeness in the constitutions of the uniting parental gametes.
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