In particular, it explains that humans have one fewer chromosome pair in their cells than apes, due to a mutation found in chromosome number 2 that caused two chromosomes to fuse into one.

or non-sex chromosomes, and two sex-determining chromosomes. The sex chromosomes in humans are called X and Y. Females carry two X chromosomes, while males carry one X and one Y chromosome.

At this resolution, the long q arm of chromosome 12 can be subdivided into two main regions, which are designated 12q1 and 12q2. Region 12q1 can be further subdivided into five subregions ...

The biological sex of a human being is determined by which chromosomes make up that baby's genetic material. Females usually have two X chromosomes, while males tend to have one X and one Y ...

What determines its gender—in most cases—are its sex chromosomes: two X chromosomes in the nucleus of its original egg cell and it will become a female; a Y and an X chromosome and it will ...

We previously reported suggestive linkage between type 2 diabetes and markers in a region on chromosome 20q using data from a collection of 29 Caucasian families in which type 2 diabetes with ...

The stages outlined in the following example show a cell with a diploid chromosome number of four (two sets of two chromosomes) undergoing cell division. The replicated chromosomes are not visible ...