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How can embryos show common ancestry?
During development, embryos of multiple groups of animals exhibit similar characteristics, but may change as they grow. This supports the idea that all of today's organisms share a common ancestor.'An example is bird limbs. Birds are tetrapods, all of which have five-digit limbs, but adult birds have a three-digit limb in its wings. This might appear to be a problem until you examine birds' embryos, and then you will find that this limb develops from a five-digit precursor. Another example is teeth in some toothless whales. Some toothless whales develop teeth as embryos that are absorbed later in embryonic development.Why should a toothless whale develop teeth that are later absorbed? Why should organisms which are so different as adults have so many similarities as embryos? Why should a bird's three-digit limb develop from a five-digit limb? If life forms developed independently, one would think that their embryonic development would be distinct and reflect what the organism will look like when it is fully developed.'From "Embryonic Homologies - How Embryonic Homologies Support Evolution"http://atheism.about.com/od/evolutionexplained/a/EmbryonicHomologies.htm
Why are some people opposed to stem cell research?
Some people are opposed to stem cell research due to ethical concerns about using human embryos. They believe that human life begins at conception and that destroying embryos for research purposes is morally wrong. Additionally, there are concerns about the potential for misuse of the technology and the need for strict regulations to prevent unethical practices.
How many children did dolly the sheep have?
Dolly the sheep did not have any offspring. She was cloned using a somatic cell nuclear transfer technique, which means that she was not conceived through traditional mating.
Should embryonic stem cell research be allowed?
As this is an ethical question, there is no single side that summarises responses to this. Some people believe that pre-human embryos are sacred, and should not be used for experimentation due to religious reasons and the sanctity for human life. On the other hand, pre-embryos are balls of cells, and can be split at any point in this stage to produce multiple further humans (at the zygotic stage, the ball of cells can be split almost any number of times to make multiple genetic replications of the same person). It is an ethical question that can be argued either way.
What is radial cleavage?
Radial Cleavage is a type of Holoblastic Cleavage. You can get Isolecithal, Radial Cleavage which gives you equal yolk distribution between blastomeres. And you can get Mesolecithal, Radial Cleavage which gives moderate yolk distribution but it tends to have some asymmetrical distribution of the yolk which causes some blastomeres to be slightly smaller. (At least this is what it seems to be to me...) Previous Answer: i think it means giant boobs. don't really know sorry
Do embryos have rights?
i think is not right
Do frogs have embryos?
Yes. I think so.
What problems have to be overcome when freezing embryos?
The mass I think
What gender is NiGHTS?
Well, if you mean knights then the gender is usually a guy, but on some occasions its a girl. For instance, if a guy is in trouble and a knight shows up it is most likely to be a girl. But most of the time its a boy.
Do embryo's think?
Embryos do not think in the way that more developed brains do, as they lack the necessary neural structures and cognitive functions. During the early stages of development, the brain is not fully formed, and consciousness or thought processes as we understand them do not occur. While embryos can respond to stimuli, this is a reflexive response rather than a conscious thought. Thus, the concept of thinking is not applicable to embryos.
Why do seeds contain embryos?
Seeds contain embryos to provide an energy source for the plant when it starts to shoot out of its seed. Think of it like the yoke for a chicken inside an egg. The yoke is the embryo of the egg.
Gender in sport?
i think it mean i'm not sure but i think it means people with different gender doing sport.
Why do tiger shark embryos fight each other in their mother's womb?
i think it is because to see who is the survival one.
Do scientists inject DNA into an adult plant?
I think it has to be an embryo or it won't work. Plant embryos are inside the seed.
If a child was born on May 26 when was it conceived?
I think maby sometime in august or July I think maby sometime in august or July
What is the feminine form of steer?
i think the opposite gender of a steer is a heifer
Why is it bad to throw away unused embryos?
This is controversial. Some people think these embryos should be used for stem cell research which could help scientists find cures for many different kinds of disorders. Other people think these embyos count as full people and shouldn't be used in experiments or disposed of.
