In a column regarding the issue of abortion, Albert B. Southwick wrote, “The definition of human life and when it begins varies widely” (Telegram & Gazette, Dec. 3). That is not correct. The ...

A synthetic embryo can now be constructed from very early pre-embryonic cells – without the need for an egg or sperm. These were initially created in mice. In April, Chinese researchers created ...

Condic shows how the zygote is already behaving like an organism before syngamy because factors from the sperm and egg are “interact[ing] coordinately to orchestrate subsequent development ...

Known as postzygotic mosaic mutations, or PMMs, these genetic changes occur after the conception of the human zygote during the development cycle of a fetus.

Should a zygote be declared a living human being, ... from two to a dozen blastocysts will be transferred into the uterus with the hope that one will implant and continue development.

Figure 1 | DNA-replication errors at the beginning of human embryo development. Fertilization of an egg by sperm generates a zygote — the first cell of the embryo.

However, Schneider is correct that the development of a human begins with a fertilized egg. One can never become a living, breathing, real person, absent having at one time been a zygote.

With each week of pregnancy, your baby-to-be is developing in leaps and bounds. In the early stages, they are called a zygote. They then progress to an embryo, fetus, and finally, baby. You might ...

Zygote Media Group Licenses Human Anatomy Data for Google Body and Google Body Android. March ... and is now pioneering development of high-end solid 3D anatomy models for research and bioengineering.

Human life, at all stages of its natural development, is sacred and, accordingly, must be protected by law. The right to life is, in fact, the most fundamental of all human rights.