So then explain to me how this proves that a sperm cell next to an egg cell is not a 2-celled human being, assuming it does that.
I didn't say it did. I'm simply pointing out that uniqueness, which some here are touting as the definition of a new, living human being, is also present in the egg/sperm cells.
So take a sperm cell, put it next to the egg cell, and you have a whole, 2-celled organism even prior to fertilization.Excuse me, but were you talking out of your ass when you said that abortion legally = homicide? Now don't dodge by asking another unrelated question.In that case, they are also not the zygote.

And there is not a single living human that has bee produced by a zygote where nutrient input did not then follow. *sigh* Don't you get what I'm getting at? I'm saying a zygote is not really much closer to being an adult human than a sperm/egg cell is. Thus defending the zygote on ethical grounds without defending the sperm/egg combo is stupid.
And you could have a million fucking zygotes in a dish. Without constant input of food, it will never be born.
You're obviously clueless on the matter. Austin was one of the people to discover sperm capacitation:
Sperm capacitation refers to the physiological changes spermatozoa must undergo in order to have the ability to penetrate and fertilize an egg. This term was first coined in 1952 by Colin Russell Austin based on independent studies conducted by Austin and Min Chueh Chang and published in 1951.
Recognition of the phenomenon was quite important to early in vitro fertilization experiments as well as to the fields of embryology and reproductive biology.
the concept remains integral to the study of fertilization. Its exploration has provided a more comprehensive understanding of all the mechanisms a sperm cell must undergo before it is ready to fertilize a female egg, adding to the general knowledge of the process of fertilization as a whole as well as contributing to medical technologies such as in vitro fertilization.
The Embryo Project Encyclopedia
In case you are unaware, in vitro fertilization is the process of fertilizing an egg outside the body.
The next milestone was in 1951, when two scientists working independently, Colin Russell Austin in Australia and Min Chueh Chang in the United Sates, demonstrated that spermatozoa need to mature through certain stages before they develop the capacity to fertilize. By 1959 Chang was able to successfully use IVF to impregnate a rabbit.
The Embryo Project Encyclopedia
Do you really need me to explain why discoveries of how fertilization occurs, practical ones which led to successful execution of in vitro fertilization, would give a researcher some knowledge on the matter and thus make him relevant to our discussion of fertilization?
Bookmarks