This video shows how a son inherits an exact copy of his father's Y chromosome.
Structure and features
View the resources and video from NOVA: Lost Tribes of Israel, your task is to complete a family tree by comparing the DNA sequences of Y chromosomes of known men to the sequences of their relatives.
Teacher notes
- Science understanding strand
- Biological sciences
- Year 10
- Genetics.
The video shows how the Y chromosome is inherited from the father.
It also shows how the male determines the sex of a child.
This would lead onto pedigrees and dominant and recessive inheritance and sex-linkage inheritance.