Embryology and science denial
The Department of Health and Human Services has described its mission as “serving and protecting Americans at every stage of life, beginning at conception.”
Even The Science of Embryology agrees.
The following are typical examples—only three of the many, many we could cite. These are from standard texts by embryologists, developmental biologists, and microbiologists:
“Human life begins at fertilization, the process during which a male gamete or sperm unites with a female gamete or oocyte (ovum) to form a single cell called a zygote. This highly specialized, totipotent cell marked the beginning of each of us as a unique individual.”
“A zygote is the beginning of a new human being (i.e., an embryo).” Keith L. Moore, The Developing Human: Clinically Oriented Embryology, 7th edition.
“Fertilization is the process by which male and female haploid gametes (sperm and egg) unite to produce a genetically distinct individual.” Signorelli et al., Kinases, phosphatases and proteases during sperm capacitation, Cell Tissue Research.
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