MODULE 3: DNA ANCESTRY TESTING
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
Genealogy - ANSWER Shows relationships of family members back through time. Written records may
leave gaps (birth, death certificates, marriage licenses
DNA can be used to provide clues as to - ANSWER what part of the world our ancestors came from
Inherited DNA differences are important to - ANSWER genealogy
Types of Testing - ANSWER Autosomal DNA Testing ... Y Chromosome Testing (Paternal lineage)... X
Chromosome Testing (Maternal to son and daughter, Paternal to daughter).... Mitochondrial Testing
(Maternal lineage)
Autosomal DNA Inheritance - ANSWER Close relatives share large segments of DNA from a common
ancestor.
The size of fragments shared by more distant relatives is smaller/larger - ANSWER smaller
Use SNPs to compare - ANSWER DNA sequences
X and Y chromosomes do not undergo crossing over in _____ - ANSWER men
Y chromosome is passed from father to - ANSWER son unchanged.
___ chromosome determines sex - ANSWER Y
A mother's X chromosomes undergo crossing-over (mixing) and she passes an X chromosome to -
ANSWER her children (both male and female).
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