Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

The DU Lounge

CanonRay

(15,087 posts)

3. Non twin siblings generally share about 2500 cM (centimorgans) of DNA

Reply to Baitball Blogger (Original post)

Fri Oct 4, 2024, 09:11 AM

Oct 2024

The child of one brother would share about half that, or 1250cM. My wife's sisters share differing amounts with her. One is just under 2300, the other is over 2400. Both of them have more of their mother's side than my wife, who has a majority of their father's DNA.

Edit history

Please sign in to view edit histories.

Recommendations

0 members have recommended this reply (displayed in chronological order):

13 replies

= new reply since forum marked as read

Highlight:

DNA question [View all] Baitball Blogger Oct 2024 OP

Not sure I understand what you're asking but child has 50% shared DNA with each bio parent. seaglass Oct 2024 #1

Yes it does help. Baitball Blogger Oct 2024 #4

If the two... Mike Nelson Oct 2024 #2

So, Baitball Blogger Oct 2024 #6

Yes... Mike Nelson Oct 2024 #9

Non twin siblings generally share about 2500 cM (centimorgans) of DNA CanonRay Oct 2024 #3

This is more involved than I realized. Baitball Blogger Oct 2024 #5

This is the best explanation I ever heard about DNA CanonRay Oct 2024 #7

Yes, it helped, Baitball Blogger Oct 2024 #11

We share about 50% of our DNA... Buckeye_Democrat Oct 2024 #8

Thank you for that! Baitball Blogger Oct 2024 #10

Sisters..Ann B, Fran B married Brothers Ron C, John C. Tikki Oct 2024 #12

Genetics! Baitball Blogger Oct 2024 #13