Question

How to tell the difference between autosomal dominant and x linked dominant?

Answer 1

AUTOSOMAL DOMINANT CONDITION

• occurs in autosomes.
• single results in expression of characterS
• present in all generation(no skipping of generations)
• egs:- Myotonic dystrophy, Retinitis pigmentosa, Hushingtons syndrome, etc.

X - LINKED DOMINANT CONDITION

• occurs in X- chromosome.
• a single allele can cause expression of disease.
• males and females are exactly affected.
• daughters of affected fathers are always affected.
• eg- Rickets, etc.