Organisms must reproduce and, in the context of evolution, must choose among different methods to do so. There are two major strategies for reproduction—sexual and asexual. Each tactic has its own advantages and disadvantages, and each is...

Success for an animal species does not only mean that it survives, but that it survives to reproduce. When a species or population of organisms is unable to reproduce enough offspring to keep the population numbers high, extinction is the result....

The process by which an individual is created from the GAMETES of one or more parents. Reproductive behaviours are those which aid in this process, from SEXUAL BEHAVIOUR to parental behaviour (see MATERNAL BEHAVIOUR). Reproductive NEUROENDOCRINOLOGY...

Gametes in plants—unlike those of animals—are not produced directly by meiotic division of a diploid organism, but by an entirely different haploid plant, in a process known as alternation of generations. In this process, embryos grow...

YES I am in favor of reproductive cloning, also known as reproductive regeneration. Patients want to have a child, a healthy child, and they don't want to borrow someone else's genes or sperm. They want a biologic child of their own. ...

Byline: Lauren Schulz, THE WASHINGTON TIMES Men may not hear it as loudly as women, but a study suggests they also have a biological clock that starts ticking in their 30s. University of Washington bioengineering professor Narendra Singh is saying he...