CLD 101 Lecture Notes - Lecture 3: Phenotype, Sexual Differentiation, Human Genome
Document Summary
Fertilization or conception: process by which sperm and ovum combine to create a single cell called a zygote, zygote, duplicates itself repeatedly by cell division to produce all the cells that make up a baby. Folks beliefs about conception & fertility: folk beliefs regarding the origin of new life have been common throughout history, the belief that children came from wells, springs, or rocks was common in the early. Men: several hundred million sperm are produced in the testicles each day. Women: have about 2 million immature ova in their ovaries at birth, each contained in a follicle, ovulation occurs about once every 28 days until menopause. Surrogacy: the surrogate, is a fertile woman who is impregnated by the prospective father, by artificial insemination, surrogate motherhood is strictly regulated in canada. It is an option for those faced with infertility.