Sentences with phrase «with normal embryo»

Compared with normal embryos and unfertilized eggs that can be artificially stimulated to become embryos (a process called parthenogenesis), the clones exhibited some glaring defects.

Spider embryos lacking Notch and related genes (bottom) have disorganized body segments, compared with normal embryos (top).

Not exact matches

Expectations are that on average about 1/10 eggs produces a chromosomally normal embryo, for example, starting with 10 eggs yields on average 7 embryos that on CCS testing will yield 1 - 3 with normal chromosomes.

The embryos with a normal number of chromosomes are selected from the group for transfer.

But 33 percent of D7 embryos biopsied and tested with preimplantation genetic screening were found to be chromosomally normal — or euploid.»

Perhaps because it is normal for human embryos to contain cells with the wrong number of chromosomes, which can cause them to self - destruct.

And because mouse embryo cells with inactivated copies of BRCA2 are more sensitive to ionizing radiation than normal cells are, «it's a reasonable extrapolation» that breast cancers with mutated copies of the gene may be especially good candidates for radiation therapy.

Still unclear is whether the resulting eggs, which reached maturity in just 22 days, compared with 5 months in the body, are normal and whether they can combine with sperm to make a healthy embryo.

Working with frog embryos at the four - cell stage, Levin and his colleagues then used several methods to disrupt the normal voltages of the cells, making them more or less negatively charged.

The finding that normal fertilization can result in embryos containing cells with different parental sets of chromosomes is a new mechanism for chimerism, which was previously thought to occur only as the result of fertilization errors, for example, the fusion of multiple sperm or eggs to form an embryo.

Thus far, the Newcastle team has worked with abnormally fertilized human eggs that will not develop into viable embryos; the new money will allow them to use normal, leftover eggs from IVF therapy.

The paper describes a treatment, optimized for vitrification, manipulation medium and developmental stage, which generates normal embryos with a low carry - over of less than 2 % in the vast majority.

In research funded by the Wellcome Trust, Professor Zernicka - Goetz and colleagues developed a mouse model of aneuploidy by mixing 8 - cell stage mouse embryos in which the cells were normal with embryos in which the cells were abnormal.

With these aspects in mind, I would certainly want to see this used in mutations with single nucleotide substitutions (variants) that characterize most ADAD mutations, and like to see the further development of the embryos as it relates to normal development after the normal sequence is introduWith these aspects in mind, I would certainly want to see this used in mutations with single nucleotide substitutions (variants) that characterize most ADAD mutations, and like to see the further development of the embryos as it relates to normal development after the normal sequence is introduwith single nucleotide substitutions (variants) that characterize most ADAD mutations, and like to see the further development of the embryos as it relates to normal development after the normal sequence is introduced.

Since I only got one embryo from our first round, and we tested it and it was genetically normal, we knew that our unexplained fertility problems were somewhat to do with my egg quality.

The risks to animals include: a high failure rate with cloned embryos, oversized fetuses, a low frequency of live normal births, neonatal respiratory failure and heart disease.