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Forensic Medicine Identification efee1d94

Which of the following is false statement about sex chromatin

A
The number of bar bodies in someone with 47XXY genetic makeup is two
B
Barr body may be seen in genetic male
C
Drumstick shaped mass of chromatin in Neutrophil nucleus is called Davidson body
D
A site for sampling for sex chromatin is buccal mucosa
High-Yield Explanation
***The number of Bar bodies is one lesser than the number of X chromosomes ***Barr body is a small mass lying near the nuclear membrane ,it represents the inactivated chromosome ***Bar bodies are seen 0-4percent of genetic males and 20-80 percent of genetic females ***sites for sampling for sex chromatin:Buccal mucosal, tooth pulp, hair bulb ***Davidson body is a drumstick shaped mass of chromatin hanging down from Neutrophil nuclei,it is seen only in females (0-6percent) synopsis of Forensic Medicine and toxicology ,28th edition page number 84

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