Sentences with phrase «own eggs and sperm»

Many reefs have gotten so degraded that even corals that are still alive can't sexually reproduce, since healthy patches are too far apart for eggs and sperm to find each other.
And Great Barrier Reef researchers recently announced that they'd successfully repopulated parts of the reef by collecting coral eggs and sperm, growing coral larvae, and replanting those larvae in protected sites on the reef.
On the Great Barrier Reef, researchers have been able to replant coral larvae in some sections after collecting eggs and sperm.
Each November in the days following the light of a full moon, coral colonies across the reef — spanning an area larger than the state of New Mexico — release millions of egg and sperm sacs within nearly minutes of one another.
Christ's mother was created by egg and sperm.
The California IVF Fertility Center is pioneering what some refer to as the «Costco model» of babymaking, creating batches of embryos using donor eggs and sperm that can be shared among several different families.
If the egg and sperm had not previously had life, there would be no pregnancy.
which contains all the dna a human needs... eggs and sperm do not contain all DNA on theirown, only till they converge
The book's description of GIFT is accurate, but to say that the Church's prohibition of artificial insemination doesn't apply in this case because what is inserted into the recipient woman is no longer only sperm but a catheter containing both a retrieved egg and sperm retrieved after intercourse only lays Catholic bioethics open to the charge that it is based on an arbitrary set of boundaries discernible only to the well initiated.
She said there were no ethical concerns with this from a Christian point of view: «It's really important to distinguish between an egg and a sperm and an embryo and we believe strongly that an embryo is the beginning of human life.
However, working and researching on egg and sperm, as they aren't individual human lives, we have very little ethical concerns about that.»
The egg and sperm do not unite.
We then can see if there is anything inside of the uterus that would prevent implantation and we can see if the tubes are open so that the egg and sperm can meet in the tube.»
This book discusses environmental concerns, how to choose the right supplements, and how to optimize your diet for egg and sperm health.
Uterus: The female reproductive organ (See Womb) which is pear - shaped, hollow, where the egg and sperm meet, the baby grows during pregnancy.
You've grown a human being in your belly from nothing but a tiny egg and sperm.
So much happens during pregnancy that it's basic definition — the period of time when a human being grows from the combination of genetic material from a single egg and sperm — seems almost too simplistic when you say it aloud.
Gestational surrogacy allows hopeful parents who are physically unable to carry a child to use their own eggs and sperm to have a baby.
While the ASRM says intrafamilial assisted reproduction is «generally ethically acceptable,» in some situations, the organization says it should be prohibited — mainly, in cases in which the egg and sperm come from close relatives, as would occur in incest.
Egg and sperm donors themselves are required to see a mental health counselor before they are allowed to donate.
There were an egg and a sperm; they came together and created an embryo.
This is determined as soon as the egg and sperm meet, but the outward appearances of the baby will not show external genitalia until later first trimester.
Just as creation requires both egg and sperm, children are happiest when both parents share the power, responsibility, joys and benefits of parenting.
Unless you had a very tiny camera inside of you that could capture the exact moment the egg and sperm met, or you had medical help conceiving, there's no real way (that I know of) to know your exact conception date.
An egg and a sperm, from donors or intended parents, are joined together through IVF and then carried by the gestational surrogate.
General duration of the fertile window, considering life spans of an egg and sperm cells, is about six days.
Instead, she is artificially impregnated with someone's else's egg and sperm through in vitro fertilization.
When these fish spawn, eggs and sperm are shed simultaneously into the surrounding water with ovarian fluid being secreted with the eggs.
This process starts with double fertilization in angiosperms and it involves the fusion of the egg and sperm nuclei into a zygote.
For many people, the fear of a class of genetically enhanced people is reason enough not to tinker with the DNA of the human germline — eggs, sperm, embryos and the cells that give rise to eggs and sperm.
To prevent this, egg and sperm cells halve their genetic content before fusing.
They diverged 200 million years ago, yet V. carteri produces eggs and sperm, while the sex cells of C. reinhardtii are similar in dimensions and can not be described as male and female.
Even after the principles of epigenetics came to light, it was believed that methylation marks and other epigenetic changes to a parent's DNA were lost during the process of cell division that generates eggs and sperm and that only the gene sequence remained.
Once home, the cells proliferated and matured into viable eggs and sperm.
Reproductive cells, such as an egg and sperm, join to form stem cells that can mature into any tissue type.
While cosmic rays are thought to be one source of mutations, DNA - copying errors during egg and sperm production may be a more common cause.
Poor women in India who rent their wombs out to rich families from developed countries are one manifestation; egg and sperm donors another.
As a radical alternative, biologist Jeanne Loring at the Scripps Research Institute is attempting to transform frozen skin cells from threatened species into eggs and sperm.
The placement of the eggs is suggestive, the researchers report in the March issue of Geology: They hypothesize that trilobites released their eggs and sperm through a genital pore somewhere in the head — much like modern horseshoe crabs do today.
The next step, transforming the stem cells into egg and sperm cells, could take years more, but Loring is convinced the results will be worth it.
To the researchers» surprise, however, the animals missing one or both copies of Mus81 were fertile and produced normal egg and sperm cells.
Scientists and the public are now considering the ethics of a tool that might be used someday to edit the genes in the human germline (eggs and sperm) to create new characteristics that could be passed on to subsequent generations, or to correct diseased or otherwise «unwanted» genes.
It interferes with the process of meiosis — the form of cell division that creates sex cells, called gametes, like eggs and sperm.
During the formation of eggs and sperm, the cell's chromosomes must pair up and part in an elaborate sequence that results in sex cells with exactly half the number of chromosomes as the parent cell.
When the dancers don't pair or part appropriately it can result in eggs and sperm with the wrong number of chromosomes, a major cause of miscarriage and birth defects.
If so, eggs and sperm from the same mouse could be generated and used for fertilization, producing something never seen before: a mouse created by self - fertilization.
A process that wipes egg and sperm cells clean misses some genes out, explaining how your bad habits may affect the DNA of your children and grandchildren
Sexual reproduction requires the fusion of two gametes (egg and sperm) which combine their genetic material to produce an embryo.
The discovery will allow to delve deeper into the mechanisms regulating the formation of gametes (eggs and sperm).
«For marine animal populations to thrive and support sustainable fisheries, the males and females of each species need to reach sexual maturity, and deliver their eggs and sperm in the right place and at the right time.
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