- maternal mRNA
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Messenger RNA found in oocytes and early embryos that is derived from the maternal genome during oogenesis. See masked messenger RNA.
Dictionary of molecular biology. 2004.
Dictionary of molecular biology. 2004.
Maternal to zygotic transition — (MZT) is the stage in embryonic development during which development comes under the exclusive control of the zygotic genome. This requires both zygotic genome activation (ZGA) and degradation of maternal products. MZT is often thought to be… … Wikipedia
Maternal effect — This article concerns the legitimate scientific concept of genes that are expressed only when carried by the female parent. It is not to be confused with the generally discredited theory of maternal impression. A maternal effect is a situation… … Wikipedia
activation — (of egg) Normally brought about by contact between spermatozoon and egg membrane. Activation is the first stage in development and occurs independently of nuclear fusion. The first observable change is usually the cortical reaction that may… … Dictionary of molecular biology
heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… … Universalium
Oocyte — Stripped human oocyte; granulosa cells that had surrounded this oocyte have been removed. Gray s subject #3 38 … Wikipedia
Drosophila embryogenesis — Drosophila embryogenesis, the process by which Drosophila (fruit fly) embryos form, is a favorite model system for geneticists and developmental biologists studying embryogenesis. The small size, short generation time, and large brood size make… … Wikipedia
Diagnosis of fetal aneuploidy — Fetal aneuploidy is not as common as other birth defects, affecting 9 in 1000 births and increasing with maternal age. Amniocentesis and chorionic villus sampling have historically been two of the most popular methods used to detect fetal… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Regional specification — In the field of developmental biology, regional specification is the process by which different areas are identified in the development of the early embryo. The process by which the cells become specified differs between organisms. Contents 1… … Wikipedia
Polyadenylation — Typical structure of a mature eukaryotic mRNA Polyadenylation is the addition of a poly(A) tail to an RNA molecule. The poly(A) tail consists of multiple adenosine monophosphates; in other words, it is a stretch of RNA that has only adenine bases … Wikipedia