Sentences with phrase «for polar body»

Where a zygosity test can confirm whether twins are monozygotic or dizygotic, companies that perform zygosity testing to determine twin type do not offer a test for polar body twins.

Not exact matches

Soliciting feedback and being open to change is something the sanctioning body has made considerable strides in, polar opposite of the iron fist mentality it had for years and years.

While it may be interesting to speculate that your twins are similar, but not exactly identical, there's no way to know for sure if they are polar body twins.

She found that the egg cell expels the two mother centrioles, jettisoning them into the two «polar bodies» that also serve as dumps for its surplus genetic material.

Because polar bodies are dispensable for human embryonic development, they can be safely removed without harming the embryo.

In the new study, Sunney Xie of Peking University and Harvard University teamed up with Qiao and Fuchou Tang of Peking University to develop a method for sequencing the entire genomes of polar bodies — cells that arise as a byproduct of egg cell division and often die later on.

Although the probability is very low, the take home message is that for clinical purposes, we should focus on the transfer of single spindle or a polar body, which would carry less mitochondria than the standard transfer of two pronuclei after fertilization.

Following in vitro maturation, oocytes at metaphase II with the presence of a first polar body were activated using 10 µM calcium ionophore A23187 (Sigma - Aldrich) for 5 min followed by 2 mM DMAP (Sigma - Aldrich) for 4 h at 37 °C in 6 % CO2, 5 % O2 and 89 % N2.

Even I had a short stint as a body builder, which is kind of like the polar opposite of training for a triathlon, but back in college, I did some body building.

In hatha yoga, for example, the sun and the moon represent the two polar energies of the human body.

Bad idea is part of an iconic body of work composed by colorful polar bears that are inspired by the artists» time in Alaska, where Paola Pivi has been based for years.

This is particularly germane this week, as a couple thousand scientists and others focused on polar change have gathered in Montreal for a large conference (Twitter feed here) reviewing the enormous body of work produced under the recent International Polar Year initiative.

While polar bears are always on the look - out for food (and thus always a potential threat to humans), they are most apt to be truly dangerous in winter (when they are at their lowest body weight) and in spring if seals are in short supply.

You [and many more] really think you've found the holy grail with this one don't you BilB, the rational to tax and command every human for the original sin of living on the planet, especially all those neo fascist luddite racist sexist misogynist bodgy capitalists who do all those things and give you all that stuff only to expect payment for it when the government should take it and give them to you free; you can finally bring the commanding heights of the world's industry and agriculture and lifestyle under the infallible control of an inter government body and everyone who is permitted will be in his permitted place doing his permitted thing and all will be as it should be and the planet will be safe for the polar bears and the spirogyra.

Polar bears are one of the most sensitive Arctic marine mammals to climate warming because they spend most of their lives on sea ice.35 Declining sea ice in northern Alaska is associated with smaller bears, probably because of less successful hunting of seals, which are themselves ice - dependent and so are projected to decline with diminishing ice and snow cover.36, 37,38,39 Although bears can give birth to cubs on sea ice, increasing numbers of female bears now come ashore in Alaska in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.45

In contrast to such storytelling, the unpublished research data from Stirling and Lunn, determined polar bear's Body Condition Index for Hudson Bay bears had been improving since 1998 (in Landscapes and Cycles, p. 217).