Sentences with phrase «occurs at fertilization»

Not exact matches

So researchers at the NIH in 2013 — equipped with the latest tools of science — decided to check this number by instead measuring a pregnancy from the moment of ovulation (fertilization usually occurs within 12 to 24 hours after an egg is released).

@Rbnlegnd101 The logic is Cathlic church teaches life begins at conception, since conception / fertilization can still occur while using the birth control (implantation can not) that would be an ethical issue.

And for the majority of embryologists who stubbornly believe that life begins at fertilization rather than implantation, a drug or device whose contraceptive action occurs after fertilization does cause an abortion.

The cause is a chromosomal abnormality that occurs at the time of fertilization.

Uller is at a loss to explain why fertilization does not occur without constant male companionship: «There's something missing, and what that is I can't say.»

Using a newly developed method researchers at the Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA) have been able to shed light on the complexity of genome reorganization occurring during the first hours after fertilization in the single - cell mammalian embryo.

Although the disease appears to be caused by a genetic defect, it doesn't run in families, suggesting that the mutation occurs randomly in egg or sperm cells or at some point after fertilization.

Nagoya, Japan — Dr. Daisuke Maruyama and Professor Tetsuya Higashiyama at the Institute of Transformative Bio-Molecules (WPI - ITbM) of Nagoya University and the JST - ERATO Higashiyama Live - Holonics Project along with their international team have shown by live - cell imaging techniques that flowering plants, such as Arabidopsis thaliana undergo a cell to cell fusion to prevent the attraction of the second pollen tube after fertilization has occurred.

Females are not just the arenas where fertilization occurs, they are active participants with seemingly unlimited potential to influence the outcome of sex in different ways, and at different points during the reproductive saga.

Specimens of elkhorn coral living in water with excess carbon dioxide have been studied for fertilization rates, ability of larvae to settle on reef substrate (where they produce new corals), and subsequent growth and survival.3 Three levels of carbon dioxide were tested, corresponding to concentrations today, at mid-century, and at the end of the century on a high - emissions path.3, 5 At the mid-century concentration, the ability of fertilization to occur and for larvae to settle successfully on the reef was significantly reduced: around 52 percent, and the decline intensified to about 73 percent at the late - century concentration.3 The corals» ability to survive over the long run declined as well, by an average of 39 percent and 50 percent respectively.3,at mid-century, and at the end of the century on a high - emissions path.3, 5 At the mid-century concentration, the ability of fertilization to occur and for larvae to settle successfully on the reef was significantly reduced: around 52 percent, and the decline intensified to about 73 percent at the late - century concentration.3 The corals» ability to survive over the long run declined as well, by an average of 39 percent and 50 percent respectively.3,at the end of the century on a high - emissions path.3, 5 At the mid-century concentration, the ability of fertilization to occur and for larvae to settle successfully on the reef was significantly reduced: around 52 percent, and the decline intensified to about 73 percent at the late - century concentration.3 The corals» ability to survive over the long run declined as well, by an average of 39 percent and 50 percent respectively.3,At the mid-century concentration, the ability of fertilization to occur and for larvae to settle successfully on the reef was significantly reduced: around 52 percent, and the decline intensified to about 73 percent at the late - century concentration.3 The corals» ability to survive over the long run declined as well, by an average of 39 percent and 50 percent respectively.3,at the late - century concentration.3 The corals» ability to survive over the long run declined as well, by an average of 39 percent and 50 percent respectively.3, 4

One is CO2 fertilization and the other is N fertilization... either or both could occur and would increase in general at the same time and amount wrt human fossil fuel burning.