Human cells have 46 chromosomes that are placed into 23 pairs, with one chromosome of each pair coming from the father and mother separately. Discover what an extra or missing chromosome causes with information from a science teacher in this free video on physiology and the human body.
Expert: Janice Creneti
Bio: Janice Creneti has a BS in secondary science education and a BA in biology from Boston University.
Filmmaker: Christopher Rokosz
Great job! Thank you.
ImaginationBlue 2 months ago
Nope, is one cromosone.
rauldoutel 8 months ago
"One of this Cromosone is come from your mother"- Is this wrong? shouldn't Janice say one of the DNA helix?
thanx
olarezable 9 months ago