Paths of DNA inheritance
From ISOGG Wiki
The paths of DNA inheritance depends on the type of DNA.
Y-DNA and mtDNA (males)
Y-chromosome DNA (Y-DNA) is passed from father to son along an all-male line (highlighted in blue). Mitochondrial DNA (mtDNA) is passed from mother to child along an all-female line (highlighted in pink). Males pass Y-DNA to their sons, but do not pass mtDNA to their children.
Y-DNA (male line only)
Y-chromosome DNA (Y-DNA) is passed from father to son along an all-male line (highlighted in blue).
mtDNA (female line only)
Mitochondrial DNA (mtDNA) is passed from mother to child along an all-female line (highlighted in pink). Fathers do not pass Y-DNA to their female children.