3.4.7

Question 1

pedigree charts

Answer 1

for studying inheritance in humans

Question 2

when identifying autosomal dominant

Answer 2

every individual have at least 1 affected parent

both males and females affected

seen in every generation

Question 3

when identify autosomal recessive

Answer 3

both males and females affected

cases where 2 unaffected parents have an affected child

‘skips’ generations

Question 4

when identify sex-linkage

Answer 4

usually only males affected

rarely seen, but females =affected only when father affected