human chromosome

Is Down Syndrome Caused By Deletion?

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Is Down Syndrome Caused By Deletion? Most of the time, Down syndrome isn’t inherited. It’s caused by a mistake in cell division during early development of the fetus. Translocation Down syndrome can be passed from parent to child. Is Down syndrome a deletion mutation? 2 deletion is almost as common as Trisomy 21, also known

What Is The 23 Chromosome Called?

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What Is The 23 Chromosome Called? The 23rd pair, the sex chromosomes, differ between males and females. Females have two copies of the X chromosome, while males have one X and one Y chromosome. The 22 autosomes are numbered by size. The other two chromosomes, X and Y, are the sex chromosomes. What chromosome number