Chromosome A chromosome is a grouping of coiled strands of DNA , containing many genes. Most multicellular organisms have several chromosomes, which together comprise the genome . Sexually reproducing organisms have two copies of

Cystic Fibrosis is found on chromosome 7 and the gene for Huntington’s disease on chromosome 4. Alzheimer ’s disease is probably due to a defective gene on chromosome 21, and certain incidences of colon cancer to one on chromosome 2.

end of the long arm of the X chromosome that likely contains a gene influencing sexual orientation. Because men receive an X chromosome from their mother and a Y chromosome from their father (women receive two X’s, one from each parent), it

a result of an extra copy of chromosome 21. In most cases this is a result of one of the parents' gametes not dividing properly. In some cases, it is a result of one of the parents having a chromosomal abnormality in which chromosome 14 and 21

natural end of a eukaryotic chromosome . Related Topics: Genetics By permission. From Merriam-Webster's Collegiate(R) Dictionary at www.Merriam-Webster.com by Merriam-Webster, Incorporated. Search

contains two copies of each chromosome , one from each parent. Egg and sperms cells, on the other hand, each contain only one copy of each chromosome. The zygote develops into an embryo . Related Topics: Genetics

they found a gene on the X chromosome , for example, that influences violence in men. What if we find lots of genes for anti-social behavior? Well, the theologians have forgotten about the doctrine of original sin. It's coming back through

Project to map every human chromosome will shortly be completed, a great advance in our knowledge. But it carries with it the danger that we may oversimplify our view of the human being. A one-dimensional string of code is a long way from

the genetic trait of an XX chromosome pair? Already these prospective children are being aborted in great numbers around the world. Again, there are no easy answers here. Science is taking us into new areas that are challenging us to confront

Charles Darwin , DNA , RNA , Chromosome , Natural Selection Topic Index Next > Michael Behe - Presentation Show Topics/Video Email link | Feedback |