Difference between cytoplasmic & maternal inheritance
Answers
What is the difference between cytoplasmic inheritance and maternal inheritance?
Maternal inheritance is a specialized, incompletely overlapping case of cytoplasmic inheritance. Whenever any cell divides, it partitions its cytoplasm between its two daughter cells -- this is cytoplasmic inheritance.
Maternal inheritance refers to something that's present in the oocyte prior to fertilization -- in either the nucleus or cytoplasm -- and remains present in the zygote for at least a little while. In most species with sperm and eggs, the vast majority of regulatory factors and supplies for early embryogenesis are maternally supplied. Not only is the oocyte typically orders of magnitude larger than the sperm, but transcription is usually globally inhibited for the first few rounds of cell division. Thus, everything that happens in a very early stage embryo is being driven by molecules originally made or deposited in the oocyte.
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Nothing… Both are same actually… Cytoplasmic inheritance or maternal inheritance is refers to the inheritance comes through the other organelle like mitochondria or chloroplast…
Actually we inherit mitochondria only from our mother or we can say our mitochondria belongs to our maternal origin so the inheritance is also called mitochondrial inheritance… In most animals, including humans, although the sperm-derived paternal mitochondria enter the oocyte cytoplasm after fertilization, their mtDNA is never transmitted to the offspring. This pattern of mtDNA inheritance is well known as “Maternal Inheritance.”
Since this inheritance is outside the nucleus or we can say doesn't include the nucleus DNA so also known as cytoplasmic inheritance…
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