What is Trisomy 21?
What are the symptoms of trisomy 13?
A person with XY as the 23rd pair is a?
A person with XX as the 23rd pairs is a?
A person with trisomy of the 23rd pair might have XXY and have what disorder? what are the symptoms?
What is a Barr Body?
What is a Karyotype? what is itt useful for?
How are Homologous pairs identified in a karyotype?
2006-11-08 16:49:02 · 3 answers · asked by K-Luh Fo SHIZZLE 1 in Science & Mathematics ➔ Biology
1. There are three pairs (tri) instead of two pairs at chromosomes number 21.
2. Called Patau sindrome, most humans with Trisomy 13 die after days of being born, characteristics are cleft palate, An extra finger, and many more/.
3.Boy
4.Girl
5.This person will have Klinefelter syndrome, only males, tall, infertile.
6.
7.Its just the way how we can identify chromosomes e.g. the Kariotype for Klinefelter syndrome is 47XXY, for down's syndrome 47xy+21 which is called Trisomy 21.
2006-11-09 04:20:35 · answer #1 · answered by Anonymous · 0⤊ 0⤋
trisomy 21 is down's syndrome.
xx is female.
xy is male.
2006-11-09 00:51:30 · answer #2 · answered by dixiegirl687 5 · 0⤊ 0⤋
i have no clue sorry.lol.
2006-11-10 21:14:18 · answer #3 · answered by sherry s 1 · 0⤊ 0⤋