Your DNA Family Tree Finding clues Can you

Your DNA & Family Tree Finding clues.

Can you create a family tree? Using the graph below as a framework, try to fill in as many boxes of your own family tree. Now you can trace where you may have received some of your DNA.

The X and Y Chromosome and how your gender effects your DNA. Read the following article: X Chromosome Recombination’s. Impact on Genealogy. If you are female, who do you get your genes from? Who can’t you get your genes from? Same, if you are male, who do you get your genes from? Who can’t you get your genes from? Use the picture charts from the article to see if you can figure out your X chromosome impact on your genealogy. How would this help law enforcement find the suspect using XY chromosome DNA genealogy?

Are you able to create a family tree using your own family and gender? Imagine you have exactly 50% HALF from each grandparent on your mother’s side. The exercise is not exact but can give you an understanding of how forensic science, genetic genealogy and police investigation can narrow down who a suspect is likely to be.

Extra information about half and full matches.

ETHICS When do genetic databases go too far? Read: Wee, Sui-Lee. “China Uses DNA to Track Its People, With the Help of American Expertise. ” The New York Times. Feb. 21, 2019. Joh, Elizabeth. “Want to See My Genes? Get a Warrant. ” The New York Times. June 11, 2019.