Down's syndrome is a genetic condition that happens because of the presence of an extra chromosome. It was first described…
Molar pregnancies are not common. One of every 1000 pregnancies are molar pregnancies. A molar pregnancy means there is no…
Trisomy is a genetic disorder in which a child is born with all or part of an extra chromosome. Normally…
Human beings are made up of cells that contain 23 sets, or pairs of chromosomes. Half of those chromosomes come…
Triple-X Females A female usually has only 2 X-chromosomes in each cell. In approximately 1 per 1,000 female births, a…
I am a mother of four lovely girls. My younger sister (who came next to me) has two burly boys.…
Hybrids are often created by putting two similar related species in the same pen and letting "nature" take is course.…
Many pet enthusiasts know that calico and tortoiseshell cats are typically female. Some even brag that they've paid for a…
Mitosis is the process of cell division that results in two cells identical to the original parent cell. Mitosis is…
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