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XYY syndrome, also known as Jacobs syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. [1] There are usually few symptoms. [2] These may include being taller than average and an increased risk of learning disabilities. [1] [2] The person is generally otherwise normal, including typical rates of fertility. [1]
[4] [5] [11] [12] The syndrome is defined by the presence of at least one extra X chromosome in addition to a Y chromosome, yielding a total of 47 or more chromosomes rather than the usual 46. Klinefelter syndrome occurs randomly. The extra X chromosome comes from the father and mother nearly equally.
Dangerous Visions is an anthology of science fiction short stories edited by American writer Harlan Ellison and illustrated by Leo and Diane Dillon. It was published in 1967 and contained 33 stories, none of which had been previously published. [1]
The geneticist Dan Koboldt observes that while science and technology play major roles in fiction, from fantasy and science fiction to thrillers, the representation of science in both literature and film is often unrealistic. [28] In Koboldt's view, genetics in fiction is frequently oversimplified, and some myths are common and need to be debunked.
When It Changed", by Joanna Russ, won a 1972 Nebula Award for Best Short Story. [2] Harlan Ellison was recognized with a special Hugo Award for anthologizing, his second special award, in 1972. [3] Again, Dangerous Visions was released as a two-volume paperback edition by Signet in the United States, and by Pan in the United Kingdom.
Sydney Catchadourian (Gina Bellman), a doctor whom Luke's best friend Keenan (Dustin Seavey) had contacted for help, explains that Luke has a rare genetic condition caused by an extra "Z-chromosome" called "zerophilia", which had become active following Luke's first sexual experience and will cause him to change into the opposite gender ...
New Dimensions II: Eleven Original Science Fiction Stories is an anthology of original science fiction short stories edited by American writer Robert Silverberg, the second in a series of twelve. It was first published in hardcover by Doubleday in December 1972, with a paperback edition under the variant title New Dimensions 2 following from ...
The Hugo Winners was a series of books which collected science fiction and fantasy stories that won a Hugo Award for Short Story, Novelette or Novella at the World Science Fiction Convention between 1955 and 1982. Each volume was edited by American writer Isaac Asimov, who wrote the introduction and a short essay about each author featured in ...