Sentences with phrase «even after fertilization»
However, we know that there are other types of changes that might occur in a very, very minute number of situations, where the actual DNA sequence might differ due to mutations that occur even after fertilization...
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After the removal and fertilization of eggs with the use of in vitro fertilization (IVF), some women with multiple embryos (fertilized eggs) may decide to have a single embryo transferred to the womb even when multiple embryos are available (elective single embryo transfer eSET).
This problem can become even bigger for biofuels like corn ethanol that emit greenhouse gases at every step, from laughing gas emanating from corn fields after fertilization to the CO2 from the fermentation of kernels into ethanol.
The Max Planck researchers found that H3K27me3 modifications labeling chromatin DNA in the mother's egg cells were still present in the embryo after fertilization, even though other epigenetic marks are erased.
New methods are being formulated to coax the «primed» ESCs — which more resemble cells from post-implantation embryos — back in time even more to resemble naïve stem cells, those found in pre-implantation embryos only days after fertilization.
And taken globally, increases in tropical forest carbon may be at least partly explained not by carbon fertilization, but by a recovery of carbon after past disturbances such as fire (both natural and anthropogenic) and land clearing by humans even centuries earlier - a factor that will reduce sink strength over time as forests recover.