A zygote (from Greek ζυγωτός zygōtos "joined" or "yoked", from ζυγοῦν zygoun "to join" or "to yoke"), is the initial cell formed when two gamete cells are joined by means of sexual reproduction. In multicellular organisms, it is the earliest developmental stage of the embryo. In single-celled organisms, the zygote divides to produce offspring, usually through Mitosis, the process of cell division.
Meet high school student Sam who scrubs floors at a diner copes with her wicked stepmother and stepsisters and all the while dreams of meeting her prince. But maybe she has a Prince Charming already: her anonymouse-mail buddy who arranges to meet her at ..
Studying is made easy with expanded end-of-chapter materials and updated appendices. Learn about different types of fraud, including tax fraud, e-business fraud, and consumer fraud. Finally, coverage of fraud detection, investigating theft and concealment,..
This book re-establishes the relevance of mainstream anthropological (and sociological) approaches to development processes and simultaneously recognizes that contemporary development ought to be anthropology's principal area of study. The introduction pro..
Why are a quarter of a billion sperm cells needed to fertilize one egg? Are women really fertile for only a few days each month? How long should women breast-feed? In How We Do It, primatologist Robert Martin draws on forty years of research to locate the ..
Soichiro''s reputation becomes tainted when Sumi''s true background is exposed, and even his position as president of his company is threatened. Sumi feels terrible for the trouble she''s caused Soichiro, so she decides to leave him. Will Soichiro choose t..
Society is deeply divided on the matters of life and death discussed in this book: the sanctity of life versus the quality of life; the meaning of death and dying; suicide; euthanasia; abortion; artificial procreation such as in vitro fertilization and clo..