Functions (all)

DnaShareYChrom

Function Name:

DnaShareYChrom

Description:

Takes two Individual records as parameters and returns TRUE if they share their Y chromosome.  Only males have a Y chromosome, so this function will always return FALSE if either of the two people are female.  Males inherit their Y chromosome from their fathers.  This means that a man will have not only the same Y chromosome as their father, but also as their father's father, and his father, and so on.  It will also mean that they have the same Y chromosome as the sons of all of those people (and their sons etc.), and that they have the same Y chromosome as their own sons, and their sons (and their sons etc.).

Minimum FH Version:

7.0

No. of Parameters:

2

Return Type:

Boolean (True or False).

Parameter 1:

A reference to an Individual record.

Parameter 2:

A reference to an Individual record..

Examples:

=DnaShareYChom(["Person"], "%INDI%")