The information from a pedigree makes it possible to determine how certain alleles are inherited: whether they are dominant, recessive, autosomal, or sex- linked.
Marriage between a male with an X-linked recessive trait (aY) and an unaffected woman (AA) produces children with one of two genotypes. All of the sons will.
X-linked recessive conditions are caused by a gene alteration on the X chromosome. As males have only x-linked-recessive-pedigree-example. Features of.
A pedigree chart displays a family tree, and shows the members of the family . ( 4) When a trait is X-linked, a single recessive allele is sufficient for a male to be.