1. Solving Sex-Linked Punnett Squares

2. New Trait Chart 
Since gender matters in sex-linked punnett squares, a new trait chart is needed.

3. Homozygous Dominant Female XBXB Dominant Female
Genotype
Phenotype
Homozygous Dominant Female XBXB
Dominant Female
Heterozygous Female
XBXb
(carrier)
Homozygous Recessive
XbXb
Recessive Female
Dominant Male XBY
Dominant Male
Recessive Male XbY
Recessive Male

4. Practice Problem One
A disorder called rickets is a sex-linked recessive. A carrier woman has a child with a normal man.

5. Practice Problem 2
A man with rickets has a baby with a woman who is homozygous dominant.