How to tell if a pedigree is autosomal or sexlinked?
Answers
If the pedigree is affected by both saxes such as man and female then it can considered as autosomal pedigree.
But sex linked pedigree is affected by a single sex. For example, X-linked recessive trait usually affects man because only man has the X chromosome.
Similarly, an unaffected couple can give birth of an affected child, but an affected couple cannot give birth to an unaffected child.
Explanation:
▶ pedigree analysis is the study of transmission of particular traits over the generations for finding out the possibility of their occurrence in the future generation...
▶importance
☀ it is used to know the possibility of expressive or recessive allele which may cause genetic disorder
☀ it shows the origin of trait and inheritance pattern of that trait in a family
☀ it predict the harmful effect of marriage between close relatives
☀ it extenously used in medical research ..