Biology
Grade-10
Easy
Question
Which of the following is INCORRECT regarding genomic imprinting
Old imprints are erased with each generation in cells that produce gametes.
The imprinted genes in a given species are always imprinted in the same way.
The developing gametes are imprinted with new imprints based on the sex of the individual making the gametes.
The genes are imprinted simultaneously in the sperm and eggs
Old imprints are erased with each generation in cells that produce gametes.
The imprinted genes in a given species are always imprinted in the same way.
The developing gametes are imprinted with new imprints based on the sex of the individual making the gametes.
The genes are imprinted simultaneously in the sperm and eggs
Hint:
The genes are imprinted simultaneously in the sperms and eggs
The correct answer is: The genes are imprinted simultaneously in the sperm and eggs
In genes that undergo genomic imprinting, the parent of origin is often marked, or “stamped,” on the gene during the formation of egg and sperm cells. This stamping process, called methylation, is a chemical reaction that attaches small molecules called methyl groups to certain segments of DNA.
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