fertilization

Tantalus Prime is a graduate student in neuroscience. He’s been following my debate about abortion with Joshua Rosenau of the NCSE. He asks some questions about my views on the right to life that are worth answering. Tantulus: Egnor asserts that humanity is a discrete, not a continuous variable. If so, then would he kindly point to the exact point at which the human begins? After all, fertilization itself is a multi-step process. So, where is it? When the sperm breaches the oocyte membrane? Formation of the pro-nuclei? Initial DNA replication? Degeneration of the pro-nuclei membrane? Formation of the mitotic spindle? Fusion of the chromosomes? Division of the chromosomes and formation of the first daughter cells? This really should be Read More ›