DNA Ancestors View for Arthur Irwin Johnston
Here is how Arthur Irwin Johnston inherited his 
Y chromosome, 
X chromosome and 
mitochondrial DNA. (For 
autosomal DNA see Arthur's full family tree.)
more information 
Y Chromosome
The Y chromosome is passed down from father to son. Here are Arthur's direct paternal line ancestors. more information
(1821
- bef
1851)
Arthur Johnston
(1790
- abt
1831)
Arthur Johnston
(abt
1768
- abt
1842)
[Second Great-Grandfather Unknown]
[Third Great-Grandfather Unknown]
[Fourth Great-Grandfather Unknown]
[Fifth Great-Grandfather Unknown]
[Sixth Great-Grandfather Unknown]
[Seventh Great-Grandfather Unknown]
Mitochondrial DNA
Mitochondrial DNA is passed down from mother to child. Here are Arthur's direct maternal line ancestors. more information
(1827
- 15 Dec 1876)
Jane Maxwell
(bef
1805
- )
[Great-Grandmother Unknown]
[Second Great-Grandmother Unknown]
[Third Great-Grandmother Unknown]
[Fourth Great-Grandmother Unknown]
[Fifth Great-Grandmother Unknown]
[Sixth Great-Grandmother Unknown]
[Seventh Great-Grandmother Unknown]
X Chromosome
Males inherit one X chromosome from their mother. Females inherit one from their mother and one from their father. Here are seven generations of ancestors who could have contributed to Arthur's X DNA and their approximate average percentage of contribution. These are adapted from Blaine Bettinger's X-DNA charts. more information
(1827
- 15 Dec 1876)
50% — James Morrow
(bef
1805
- )
50% — [Great-Grandmother Unknown]
25% — [Second Great-Grandfather Unknown]
25% — [Third Great-Grandmother Unknown]
12.5% — [Fourth Great-Grandfather Unknown]
12.5% — [Fifth Great-Grandmother Unknown]
12.5% — [Fourth Great-Grandmother Unknown]
6.25% — [Fifth Great-Grandfather Unknown]
6.25% — [Fifth Great-Grandmother Unknown]
25% — [Second Great-Grandmother Unknown]
12.5% — [Third Great-Grandfather Unknown]
12.5% — [Fourth Great-Grandmother Unknown]
6.25% — [Fifth Great-Grandfather Unknown]
6.25% — [Fifth Great-Grandmother Unknown]
12.5% — [Third Great-Grandmother Unknown]
6.25% — [Fourth Great-Grandfather Unknown]
6.25% — [Fifth Great-Grandmother Unknown]
6.25% — [Fourth Great-Grandmother Unknown]
3.125% — [Fifth Great-Grandfather Unknown]
3.125% — [Fifth Great-Grandmother Unknown]
50% — Jane Maxwell
(bef
1805
- )
25% — [Great-Grandfather Unknown]
25% — [Second Great-Grandmother Unknown]
12.5% — [Third Great-Grandfather Unknown]
12.5% — [Fourth Great-Grandmother Unknown]
6.25% — [Fifth Great-Grandfather Unknown]
6.25% — [Fifth Great-Grandmother Unknown]
12.5% — [Third Great-Grandmother Unknown]
6.25% — [Fourth Great-Grandfather Unknown]
6.25% — [Fifth Great-Grandmother Unknown]
6.25% — [Fourth Great-Grandmother Unknown]
3.125% — [Fifth Great-Grandfather Unknown]
3.125% — [Fifth Great-Grandmother Unknown]
25% — [Great-Grandmother Unknown]
12.5% — [Second Great-Grandfather Unknown]
12.5% — [Third Great-Grandmother Unknown]
6.25% — [Fourth Great-Grandfather Unknown]
6.25% — [Fifth Great-Grandmother Unknown]
6.25% — [Fourth Great-Grandmother Unknown]
3.125% — [Fifth Great-Grandfather Unknown]
3.125% — [Fifth Great-Grandmother Unknown]
12.5% — [Second Great-Grandmother Unknown]
6.25% — [Third Great-Grandfather Unknown]
6.25% — [Fourth Great-Grandmother Unknown]
3.125% — [Fifth Great-Grandfather Unknown]
3.125% — [Fifth Great-Grandmother Unknown]
6.25% — [Third Great-Grandmother Unknown]
3.125% — [Fourth Great-Grandfather Unknown]
3.125% — [Fifth Great-Grandmother Unknown]
3.125% — [Fourth Great-Grandmother Unknown]
1.5625% — [Fifth Great-Grandfather Unknown]
1.5625% — [Fifth Great-Grandmother Unknown]
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