Chromosome Abnormalities Diseases (Women)

The human body contains 46 chromosomes. Which is calledotosome 44, and 2 that determines the sex is called sexchromosomes. There are hundreds of diseases caused bychromosomal abnormalities. Partly because of abnormalities inotosome, partly because the sex-chromosome abnormalities.
We know the XX-chromosome belongs to the women. One donated the egg cell, and one of spermatozoa that fertilize it. Junction of the two X-chromosomes which produce girls. Who's the boy receives only one X-chromosome, it is from the mother only.